40144515120 has 60 divisors (see below), whose sum is σ = 134818665696. Its totient is φ = 10705203840.

The previous prime is 40144515119. The next prime is 40144515137. The reversal of 40144515120 is 2151544104.

40144515120 is a `hidden beast` number, since 4 + 0 + 144 + 5 + 1 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×40144515120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27877416 + ... + 27878855.

Almost surely, 2^40144515120 is an apocalyptic number.

40144515120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40144515120 is an abundant number, since it is smaller than the sum of its proper divisors (94674150576).

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

40144515120 is a wasteful number, since it uses less digits than its factorization.

40144515120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55756290 (or 55756281 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 40144515120 in words is "forty billion, one hundred forty-four million, five hundred fifteen thousand, one hundred twenty".