40554210816 has 160 divisors (see below), whose sum is σ = 137192647680. Its totient is φ = 11586889728.

The previous prime is 40554210707. The next prime is 40554210833. The reversal of 40554210816 is 61801245504.

It is a happy number.

40554210816 is a `hidden beast` number, since 4 + 0 + 5 + 542 + 108 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 112776 + ... + 306311.

It is an arithmetic number, because the mean of its divisors is an integer number (857454048).

Almost surely, 2^40554210816 is an apocalyptic number.

It is an amenable number.

40554210816 is an abundant number, since it is smaller than the sum of its proper divisors (96638436864).

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

40554210816 is an equidigital number, since it uses as much as digits as its factorization.

40554210816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419121 (or 419099 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 40554210816 in words is "forty billion, five hundred fifty-four million, two hundred ten thousand, eight hundred sixteen".