40102831040 has 56 divisors (see below), whose sum is σ = 95533860240. Its totient is φ = 16034582528.

The previous prime is 40102831031. The next prime is 40102831127. The reversal of 40102831040 is 4013820104.

It is a junction number, because it is equal to n+sod(n) for n = 40102830997 and 40102831015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800984 + ... + 849576.

It is an arithmetic number, because the mean of its divisors is an integer number (1705961790).

Almost surely, 2^40102831040 is an apocalyptic number.

40102831040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40102831040 is an abundant number, since it is smaller than the sum of its proper divisors (55431029200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40102831040 is a wasteful number, since it uses less digits than its factorization.

40102831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51189 (or 51179 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 40102831040 in words is "forty billion, one hundred two million, eight hundred thirty-one thousand, forty".