40024304400 has 60 divisors (see below), whose sum is σ = 128211192272. Its totient is φ = 10673147520.

The previous prime is 40024304363. The next prime is 40024304413. The reversal of 40024304400 is 440342004.

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

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, 16675594 + ... + 16677993.

Almost surely, 2^40024304400 is an apocalyptic number.

40024304400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40024304400 is an abundant number, since it is smaller than the sum of its proper divisors (88186887872).

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

40024304400 is a wasteful number, since it uses less digits than its factorization.

40024304400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33353608 (or 33353597 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40024304400 its reverse (440342004), we get a palindrome (40464646404).

The spelling of 40024304400 in words is "forty billion, twenty-four million, three hundred four thousand, four hundred".