40871620 has 24 divisors (see below), whose sum is σ = 86119488. Its totient is φ = 16293600.

The previous prime is 40871617. The next prime is 40871657. The reversal of 40871620 is 2617804.

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, 2935 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (3588312).

Almost surely, 2^40871620 is an apocalyptic number.

It is an amenable number.

40871620 is an abundant number, since it is smaller than the sum of its proper divisors (45247868).

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

40871620 is a wasteful number, since it uses less digits than its factorization.

40871620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40871620 is about 6393.0915838896. The cubic root of 40871620 is about 344.4614435669.

The spelling of 40871620 in words is "forty million, eight hundred seventy-one thousand, six hundred twenty".