15580000838 has 8 divisors (see below), whose sum is σ = 23456238240. Its totient is φ = 7761254760.

The previous prime is 15580000831. The next prime is 15580000853. The reversal of 15580000838 is 83800008551.

15580000838 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15580000838² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15580000831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14372153 + ... + 14373236.

It is an arithmetic number, because the mean of its divisors is an integer number (2932029780).

Almost surely, 2^15580000838 is an apocalyptic number.

15580000838 is a deficient number, since it is larger than the sum of its proper divisors (7876237402).

15580000838 is a wasteful number, since it uses less digits than its factorization.

15580000838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745662.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 15580000838 in words is "fifteen billion, five hundred eighty million, eight hundred thirty-eight", and thus it is an aban number.