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40223244431 = 97927744699
BaseRepresentation
bin100101011101011111…
…100000000010001111
310211211020010112021202
4211131133200002033
51124334122310211
630251151420115
72622524636126
oct453537400217
9124736115252
1040223244431
1116070a77977
12796682463b
133a403b7966
141d380c0abd
1510a63d353b
hex95d7e008f

40223244431 has 8 divisors (see below), whose sum is σ = 40643206800. Its totient is φ = 39803390208.

The previous prime is 40223244421. The next prime is 40223244487. The reversal of 40223244431 is 13444232204.

40223244431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40223244431 - 218 = 40222982287 is a prime.

It is a super-2 number, since 2×402232444312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40223244394 and 40223244403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223244421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877520 + ... + 922218.

It is an arithmetic number, because the mean of its divisors is an integer number (5080400850).

Almost surely, 240223244431 is an apocalyptic number.

40223244431 is a deficient number, since it is larger than the sum of its proper divisors (419962369).

40223244431 is an equidigital number, since it uses as much as digits as its factorization.

40223244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54073.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40223244431 its reverse (13444232204), we get a palindrome (53667476635).

The spelling of 40223244431 in words is "forty billion, two hundred twenty-three million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 97 9277 44699 899869 4335803 414672623 40223244431