40527920931 has 4 divisors (see below), whose sum is σ = 54037227912. Its totient is φ = 27018613952.

The previous prime is 40527920921. The next prime is 40527920963. The reversal of 40527920931 is 13902972504.

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

It is a cyclic number.

It is not a de Polignac number, because 40527920931 - 2²⁵ = 40494366499 is a prime.

It is a super-2 number, since 2×40527920931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40527920921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6754653486 + ... + 6754653491.

It is an arithmetic number, because the mean of its divisors is an integer number (13509306978).

Almost surely, 2^40527920931 is an apocalyptic number.

40527920931 is a deficient number, since it is larger than the sum of its proper divisors (13509306981).

40527920931 is a wasteful number, since it uses less digits than its factorization.

40527920931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13509306980.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 40527920931 in words is "forty billion, five hundred twenty-seven million, nine hundred twenty thousand, nine hundred thirty-one".