40554470840 has 32 divisors (see below), whose sum is σ = 98266603680. Its totient is φ = 14973958272.

The previous prime is 40554470839. The next prime is 40554470857. The reversal of 40554470840 is 4807445504.

40554470840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40554470840² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38994164 + ... + 38995203.

It is an arithmetic number, because the mean of its divisors is an integer number (3070831365).

Almost surely, 2^40554470840 is an apocalyptic number.

40554470840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40554470840 is an abundant number, since it is smaller than the sum of its proper divisors (57712132840).

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

40554470840 is a wasteful number, since it uses less digits than its factorization.

40554470840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77989391 (or 77989387 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The spelling of 40554470840 in words is "forty billion, five hundred fifty-four million, four hundred seventy thousand, eight hundred forty".