40868736531 has 8 divisors (see below), whose sum is σ = 62276169984. Its totient is φ = 23353563720.

The previous prime is 40868736511. The next prime is 40868736569. The reversal of 40868736531 is 13563786804.

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

It is not a de Polignac number, because 40868736531 - 2²³ = 40860347923 is a prime.

It is a super-2 number, since 2×40868736531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40868736511) 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, 973065135 + ... + 973065176.

It is an arithmetic number, because the mean of its divisors is an integer number (7784521248).

Almost surely, 2^40868736531 is an apocalyptic number.

40868736531 is a deficient number, since it is larger than the sum of its proper divisors (21407433453).

40868736531 is a wasteful number, since it uses less digits than its factorization.

40868736531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946130321.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 40868736531 in words is "forty billion, eight hundred sixty-eight million, seven hundred thirty-six thousand, five hundred thirty-one".