5855408638 has 16 divisors (see below), whose sum is σ = 9311904000. Its totient is φ = 2753658072.

The previous prime is 5855408627. The next prime is 5855408659. The reversal of 5855408638 is 8368045585.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548998 + ... + 559561.

It is an arithmetic number, because the mean of its divisors is an integer number (581994000).

Almost surely, 2^5855408638 is an apocalyptic number.

5855408638 is a deficient number, since it is larger than the sum of its proper divisors (3456495362).

5855408638 is a wasteful number, since it uses less digits than its factorization.

5855408638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108719.

The product of its (nonzero) digits is 4608000, while the sum is 52.

The square root of 5855408638 is about 76520.6419079192. The cubic root of 5855408638 is about 1802.4050810953.

The spelling of 5855408638 in words is "five billion, eight hundred fifty-five million, four hundred eight thousand, six hundred thirty-eight".