5278720140400 has 120 divisors (see below), whose sum is σ = 14692403859104. Its totient is φ = 1785054412800.

The previous prime is 5278720140391. The next prime is 5278720140433. The reversal of 5278720140400 is 40410278725.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12708321 + ... + 13117120.

Almost surely, 2^{5278720140400} is an apocalyptic number.

5278720140400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5278720140400 is an abundant number, since it is smaller than the sum of its proper divisors (9413683718704).

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

5278720140400 is a wasteful number, since it uses less digits than its factorization.

5278720140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25825539 (or 25825528 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 5278720140400 in words is "five trillion, two hundred seventy-eight billion, seven hundred twenty million, one hundred forty thousand, four hundred".