40515505554 has 32 divisors (see below), whose sum is σ = 81650555136. Its totient is φ = 13402282320.

The previous prime is 40515505549. The next prime is 40515505573. The reversal of 40515505554 is 45550551504.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393189 + ... + 485415.

It is an arithmetic number, because the mean of its divisors is an integer number (2551579848).

Almost surely, 2^40515505554 is an apocalyptic number.

40515505554 is an abundant number, since it is smaller than the sum of its proper divisors (41135049582).

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

40515505554 is a wasteful number, since it uses less digits than its factorization.

40515505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92790.

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 40515505554 in words is "forty billion, five hundred fifteen million, five hundred five thousand, five hundred fifty-four".