15438021150 has 24 divisors (see below), whose sum is σ = 38286292824. Its totient is φ = 4116805600.

The previous prime is 15438021149. The next prime is 15438021161. The reversal of 15438021150 is 5112083451.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51459921 + ... + 51460220.

It is an arithmetic number, because the mean of its divisors is an integer number (1595262201).

Almost surely, 2^15438021150 is an apocalyptic number.

15438021150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15438021150 is an abundant number, since it is smaller than the sum of its proper divisors (22848271674).

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

15438021150 is a wasteful number, since it uses less digits than its factorization.

15438021150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102920156 (or 102920151 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 15438021150 in words is "fifteen billion, four hundred thirty-eight million, twenty-one thousand, one hundred fifty".