15354942372 has 144 divisors (see below), whose sum is σ = 48432488832. Its totient is φ = 3984906240.

The previous prime is 15354942371. The next prime is 15354942373. The reversal of 15354942372 is 27324945351.

It is a happy number.

15354942372 is a `hidden beast` number, since 1 + 535 + 4 + 9 + 42 + 3 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (15354942371) and next prime (15354942373).

It is not an unprimeable number, because it can be changed into a prime (15354942371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6299538 + ... + 6301974.

It is an arithmetic number, because the mean of its divisors is an integer number (336336728).

Almost surely, 2^15354942372 is an apocalyptic number.

15354942372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15354942372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24216244416).

15354942372 is an abundant number, since it is smaller than the sum of its proper divisors (33077546460).

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

15354942372 is a wasteful number, since it uses less digits than its factorization.

15354942372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738 (or 4733 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 15354942372 in words is "fifteen billion, three hundred fifty-four million, nine hundred forty-two thousand, three hundred seventy-two".