5900400666 has 32 divisors (see below), whose sum is σ = 13207726080. Its totient is φ = 1952441568.

The previous prime is 5900400661. The next prime is 5900400673. The reversal of 5900400666 is 6660040095.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5900400666.

It is not an unprimeable number, because it can be changed into a prime (5900400661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391386 + ... + 406181.

It is an arithmetic number, because the mean of its divisors is an integer number (412741440).

Almost surely, 2^5900400666 is an apocalyptic number.

5900400666 is an abundant number, since it is smaller than the sum of its proper divisors (7307325414).

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

5900400666 is a wasteful number, since it uses less digits than its factorization.

5900400666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797715 (or 797709 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5900400666 is about 76814.0655479190. The cubic root of 5900400666 is about 1807.0097718410.

The spelling of 5900400666 in words is "five billion, nine hundred million, four hundred thousand, six hundred sixty-six".