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40202412453 = 337230387311
BaseRepresentation
bin100101011100010000…
…000010000110100101
310211202202221011012000
4211130100002012211
51124313304144303
630245125115513
72622152603400
oct453420020645
9124682834160
1040202412453
1116060239565
12795b858b99
133a38ca2948
141d3541ad37
1510a466ada3
hex95c4021a5

40202412453 has 24 divisors (see below), whose sum is σ = 69283071360. Its totient is φ = 22972806360.

The previous prime is 40202412449. The next prime is 40202412461. The reversal of 40202412453 is 35421420204.

40202412453 is a `hidden beast` number, since 4 + 0 + 202 + 4 + 1 + 2 + 453 = 666.

It is not a de Polignac number, because 40202412453 - 22 = 40202412449 is a prime.

It is a super-2 number, since 2×402024124532 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202412443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15192333 + ... + 15194978.

It is an arithmetic number, because the mean of its divisors is an integer number (2886794640).

Almost surely, 240202412453 is an apocalyptic number.

It is an amenable number.

40202412453 is a deficient number, since it is larger than the sum of its proper divisors (29080658907).

40202412453 is a wasteful number, since it uses less digits than its factorization.

40202412453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30387334 (or 30387321 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40202412453 its reverse (35421420204), we get a palindrome (75623832657).

The spelling of 40202412453 in words is "forty billion, two hundred two million, four hundred twelve thousand, four hundred fifty-three".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 30387311 91161933 212711177 273485799 638133531 820457397 1488978239 1914400593 4466934717 5743201779 13400804151 40202412453