5402001439872 has 96 divisors (see below), whose sum is σ = 15562837255680. Its totient is φ = 1798580295168.

The previous prime is 5402001439859. The next prime is 5402001439873. The reversal of 5402001439872 is 2789341002045.

5402001439872 is a `hidden beast` number, since 5 + 4 + 0 + 200 + 1 + 439 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5402001439872² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5402001439873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722648 + ... + 3710999.

It is an arithmetic number, because the mean of its divisors is an integer number (162112888080).

Almost surely, 2^{5402001439872} is an apocalyptic number.

It is an amenable number.

5402001439872 is an abundant number, since it is smaller than the sum of its proper divisors (10160835815808).

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

5402001439872 is a wasteful number, since it uses less digits than its factorization.

5402001439872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434530 (or 5434515 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 5402001439872 in words is "five trillion, four hundred two billion, one million, four hundred thirty-nine thousand, eight hundred seventy-two".