Search a number
-
+
40221245355453 = 3219534437961531
BaseRepresentation
bin10010010010100101111010…
…00010101011010110111101
312021102010001202002120120200
421021102331002223112331
520232441102302333303
6221313215100034113
711320613645404401
oct1111227502532675
9167363052076520
1040221245355453
11118a780948a278
124617191832939
131959b022a6086
149d0a0c01b101
1549b3a84063a3
hex2494bd0ab5bd

40221245355453 has 24 divisors (see below), whose sum is σ = 62308979909280. Its totient is φ = 24923591952480.

The previous prime is 40221245355443. The next prime is 40221245355457. The reversal of 40221245355453 is 35455354212204.

40221245355453 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 1 + 2 + 45 + 3 + 554 + 53 = 666.

It is not a de Polignac number, because 40221245355453 - 24 = 40221245355437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40221245355399 and 40221245355408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221245355457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2218971703 + ... + 2218989828.

It is an arithmetic number, because the mean of its divisors is an integer number (2596207496220).

Almost surely, 240221245355453 is an apocalyptic number.

It is an amenable number.

40221245355453 is a deficient number, since it is larger than the sum of its proper divisors (22087734553827).

40221245355453 is a wasteful number, since it uses less digits than its factorization.

40221245355453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437961609 (or 4437961606 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 40221245355453 its reverse (35455354212204), we get a palindrome (75676599567657).

The spelling of 40221245355453 in words is "forty trillion, two hundred twenty-one billion, two hundred forty-five million, three hundred fifty-five thousand, four hundred fifty-three".

Divisors: 1 3 9 19 53 57 159 171 477 1007 3021 9063 4437961531 13313884593 39941653779 84321269089 235211961143 252963807267 705635883429 758891421801 2116907650287 4469027261717 13407081785151 40221245355453