40551542020 has 48 divisors (see below), whose sum is σ = 92956465728. Its totient is φ = 14737036160.

The previous prime is 40551541993. The next prime is 40551542039. The reversal of 40551542020 is 2024515504.

It is a self number, because there is not a number n which added to its sum of digits gives 40551542020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311454 + ... + 422026.

It is an arithmetic number, because the mean of its divisors is an integer number (1936593036).

Almost surely, 2^40551542020 is an apocalyptic number.

It is an amenable number.

40551542020 is an abundant number, since it is smaller than the sum of its proper divisors (52404923708).

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

40551542020 is a wasteful number, since it uses less digits than its factorization.

40551542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112260 (or 112258 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 40551542020 in words is "forty billion, five hundred fifty-one million, five hundred forty-two thousand, twenty".