40020535500 has 96 divisors (see below), whose sum is σ = 127134379008. Its totient is φ = 9701944000.

The previous prime is 40020535493. The next prime is 40020535523. The reversal of 40020535500 is 553502004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196244 + ... + 1229243.

It is an arithmetic number, because the mean of its divisors is an integer number (1324316448).

Almost surely, 2^40020535500 is an apocalyptic number.

It is an amenable number.

40020535500 is an abundant number, since it is smaller than the sum of its proper divisors (87113843508).

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

40020535500 is a wasteful number, since it uses less digits than its factorization.

40020535500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425520 (or 2425508 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 40020535500 in words is "forty billion, twenty million, five hundred thirty-five thousand, five hundred".