40523506131 has 8 divisors (see below), whose sum is σ = 54032938960. Its totient is φ = 27014872032.

The previous prime is 40523506103. The next prime is 40523506157. The reversal of 40523506131 is 13160532504.

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

It is not a de Polignac number, because 40523506131 - 2⁷ = 40523506003 is a prime.

It is a super-2 number, since 2×40523506131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40523506171) 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, 69100 + ... + 292953.

It is an arithmetic number, because the mean of its divisors is an integer number (6754117370).

Almost surely, 2^40523506131 is an apocalyptic number.

40523506131 is a deficient number, since it is larger than the sum of its proper divisors (13509432829).

40523506131 is a wasteful number, since it uses less digits than its factorization.

40523506131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399365.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 40523506131 in words is "forty billion, five hundred twenty-three million, five hundred six thousand, one hundred thirty-one".