40520033554 has 64 divisors (see below), whose sum is σ = 83812522752. Its totient is φ = 14178758400.

The previous prime is 40520033537. The next prime is 40520033563. The reversal of 40520033554 is 45533002504.

It is a happy number.

40520033554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 199437 + ... + 347584.

It is an arithmetic number, because the mean of its divisors is an integer number (1309570668).

Almost surely, 2^40520033554 is an apocalyptic number.

40520033554 is an abundant number, since it is smaller than the sum of its proper divisors (43292489198).

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

40520033554 is a wasteful number, since it uses less digits than its factorization.

40520033554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547091.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 40520033554 in words is "forty billion, five hundred twenty million, thirty-three thousand, five hundred fifty-four".