40070732724 has 60 divisors (see below), whose sum is σ = 114275803488. Its totient is φ = 12142645200.

The previous prime is 40070732719. The next prime is 40070732743. The reversal of 40070732724 is 42723707004.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5618032 + ... + 5625159.

Almost surely, 2^40070732724 is an apocalyptic number.

40070732724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40070732724 is an abundant number, since it is smaller than the sum of its proper divisors (74205070764).

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

40070732724 is a wasteful number, since it uses less digits than its factorization.

40070732724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243218 (or 11243207 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The spelling of 40070732724 in words is "forty billion, seventy million, seven hundred thirty-two thousand, seven hundred twenty-four".