40455888730 has 32 divisors (see below), whose sum is σ = 74399917824. Its totient is φ = 15831673536.

The previous prime is 40455888659. The next prime is 40455888749. The reversal of 40455888730 is 3788855404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249729 + ... + 1281691.

It is an arithmetic number, because the mean of its divisors is an integer number (2324997432).

Almost surely, 2^40455888730 is an apocalyptic number.

40455888730 is a deficient number, since it is larger than the sum of its proper divisors (33944029094).

40455888730 is a wasteful number, since it uses less digits than its factorization.

40455888730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34710.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 40455888730 in words is "forty billion, four hundred fifty-five million, eight hundred eighty-eight thousand, seven hundred thirty".