40400502554 has 8 divisors (see below), whose sum is σ = 60705782868. Its totient is φ = 20165241600.

The previous prime is 40400502517. The next prime is 40400502563. The reversal of 40400502554 is 45520500404.

40400502554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34567361929 + 5833140625 = 185923^2 + 76375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17503397 + ... + 17505704.

Almost surely, 2^40400502554 is an apocalyptic number.

40400502554 is a deficient number, since it is larger than the sum of its proper divisors (20305280314).

40400502554 is a wasteful number, since it uses less digits than its factorization.

40400502554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35009680.

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 40400502554 in words is "forty billion, four hundred million, five hundred two thousand, five hundred fifty-four".