40652162531 has 4 divisors (see below), whose sum is σ = 40774979064. Its totient is φ = 40529346000.

The previous prime is 40652162497. The next prime is 40652162581. The reversal of 40652162531 is 13526125604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40652162531 is a prime.

It is a super-2 number, since 2×40652162531² (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 = 40652162491 and 40652162500.

It is not an unprimeable number, because it can be changed into a prime (40652162581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61407770 + ... + 61408431.

It is an arithmetic number, because the mean of its divisors is an integer number (10193744766).

Almost surely, 2^40652162531 is an apocalyptic number.

40652162531 is a deficient number, since it is larger than the sum of its proper divisors (122816533).

40652162531 is a wasteful number, since it uses less digits than its factorization.

40652162531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122816532.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 40652162531 in words is "forty billion, six hundred fifty-two million, one hundred sixty-two thousand, five hundred thirty-one".