40218146160 has 80 divisors (see below), whose sum is σ = 125046463776. Its totient is φ = 10692993024.

The previous prime is 40218146149. The next prime is 40218146179. The reversal of 40218146160 is 6164181204.

It is a tau number, because it is divible by the number of its divisors (80).

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, 167749 + ... + 329508.

Almost surely, 2^40218146160 is an apocalyptic number.

40218146160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40218146160 is an abundant number, since it is smaller than the sum of its proper divisors (84828317616).

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

40218146160 is a wasteful number, since it uses less digits than its factorization.

40218146160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497610 (or 497604 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 40218146160 in words is "forty billion, two hundred eighteen million, one hundred forty-six thousand, one hundred sixty".