10155639384 has 480 divisors, whose sum is σ = 34934684400. Its totient is φ = 2737152000.

The previous prime is 10155639371. The next prime is 10155639407. The reversal of 10155639384 is 48393655101.

10155639384 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 5 + 639 + 3 + 8 + 4 = 666.

It is a super-2 number, since 2×10155639384² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 25325584 + ... + 25325984.

Almost surely, 2^10155639384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10155639384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17467342200).

10155639384 is an abundant number, since it is smaller than the sum of its proper divisors (24779045016).

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

10155639384 is a wasteful number, since it uses less digits than its factorization.

10155639384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 10155639384 in words is "ten billion, one hundred fifty-five million, six hundred thirty-nine thousand, three hundred eighty-four".