40108621157870 has 16 divisors (see below), whose sum is σ = 72196257821760. Its totient is φ = 16043284077024.

The previous prime is 40108621157867. The next prime is 40108621157909. The reversal of 40108621157870 is 7875112680104.

It is a happy number.

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, 19521062 + ... + 21477641.

It is an arithmetic number, because the mean of its divisors is an integer number (4512266113860).

Almost surely, 2^{40108621157870} is an apocalyptic number.

40108621157870 is a deficient number, since it is larger than the sum of its proper divisors (32087636663890).

40108621157870 is a wasteful number, since it uses less digits than its factorization.

40108621157870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41096539.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 40108621157870 in words is "forty trillion, one hundred eight billion, six hundred twenty-one million, one hundred fifty-seven thousand, eight hundred seventy".