5404365978 has 16 divisors (see below), whose sum is σ = 11791344096. Its totient is φ = 1637686640.

The previous prime is 5404365949. The next prime is 5404365979. The reversal of 5404365978 is 8795634045.

It is a self number, because there is not a number n which added to its sum of digits gives 5404365978.

It is not an unprimeable number, because it can be changed into a prime (5404365979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40942101 + ... + 40942232.

It is an arithmetic number, because the mean of its divisors is an integer number (736959006).

Almost surely, 2^5404365978 is an apocalyptic number.

5404365978 is an abundant number, since it is smaller than the sum of its proper divisors (6386978118).

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

5404365978 is a wasteful number, since it uses less digits than its factorization.

5404365978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81884349.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 5404365978 is about 73514.3929989223. The cubic root of 5404365978 is about 1754.8833376725.

It can be divided in two parts, 54043 and 65978, that added together give a palindrome (120021).

The spelling of 5404365978 in words is "five billion, four hundred four million, three hundred sixty-five thousand, nine hundred seventy-eight".