40108621157860 has 96 divisors (see below), whose sum is σ = 92520276710400. Its totient is φ = 14537555176320.

The previous prime is 40108621157827. The next prime is 40108621157861. The reversal of 40108621157860 is 6875112680104.

It is not an unprimeable number, because it can be changed into a prime (40108621157861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213328095 + ... + 213516025.

It is an arithmetic number, because the mean of its divisors is an integer number (963752882400).

Almost surely, 2^{40108621157860} is an apocalyptic number.

It is an amenable number.

40108621157860 is an abundant number, since it is smaller than the sum of its proper divisors (52411655552540).

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

40108621157860 is a wasteful number, since it uses less digits than its factorization.

40108621157860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212401 (or 212399 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 40108621157860 in words is "forty trillion, one hundred eight billion, six hundred twenty-one million, one hundred fifty-seven thousand, eight hundred sixty".