15472435968 has 252 divisors, whose sum is σ = 50521756488. Its totient is φ = 4687994880.

The previous prime is 15472435963. The next prime is 15472435987. The reversal of 15472435968 is 86953427451.

It is a happy number.

15472435968 is a `hidden beast` number, since 1 + 5 + 4 + 7 + 2 + 43 + 596 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (15472435963) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2049096 + ... + 2056632.

Almost surely, 2^15472435968 is an apocalyptic number.

15472435968 is a gapful number since it is divisible by the number (18) 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 15472435968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25260878244).

15472435968 is an abundant number, since it is smaller than the sum of its proper divisors (35049320520).

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

15472435968 is an frugal number, since it uses more digits than its factorization.

15472435968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7553 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 15472435968 in words is "fifteen billion, four hundred seventy-two million, four hundred thirty-five thousand, nine hundred sixty-eight".