5400785898 has 24 divisors (see below), whose sum is σ = 11713841568. Its totient is φ = 1798394472.

The previous prime is 5400785893. The next prime is 5400785911. The reversal of 5400785898 is 8985870045.

5400785898 is a `hidden beast` number, since 54 + 0 + 0 + 7 + 8 + 589 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (5400785893) 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, 137736 + ... + 172547.

It is an arithmetic number, because the mean of its divisors is an integer number (488076732).

Almost surely, 2^5400785898 is an apocalyptic number.

5400785898 is an abundant number, since it is smaller than the sum of its proper divisors (6313055670).

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

5400785898 is a wasteful number, since it uses less digits than its factorization.

5400785898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311258 (or 311255 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 5400785898 is about 73490.0394475333. The cubic root of 5400785898 is about 1754.4957491581.

The spelling of 5400785898 in words is "five billion, four hundred million, seven hundred eighty-five thousand, eight hundred ninety-eight".