15455372472 has 96 divisors (see below), whose sum is σ = 42342814800. Its totient is φ = 5092388352.

The previous prime is 15455372461. The next prime is 15455372473. The reversal of 15455372472 is 27427355451.

15455372472 is a `hidden beast` number, since 1 + 5 + 4 + 553 + 7 + 24 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455372473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3662908 + ... + 3667124.

Almost surely, 2^15455372472 is an apocalyptic number.

15455372472 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 15455372472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21171407400).

15455372472 is an abundant number, since it is smaller than the sum of its proper divisors (26887442328).

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

15455372472 is a wasteful number, since it uses less digits than its factorization.

15455372472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805 (or 4798 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The spelling of 15455372472 in words is "fifteen billion, four hundred fifty-five million, three hundred seventy-two thousand, four hundred seventy-two".