15294948672 has 56 divisors (see below), whose sum is σ = 41071917856. Its totient is φ = 5022217728.

The previous prime is 15294948629. The next prime is 15294948679. The reversal of 15294948672 is 27684949251.

It is a super-2 number, since 2×15294948672² (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 (15294948679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581623 + ... + 607350.

Almost surely, 2^15294948672 is an apocalyptic number.

15294948672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15294948672 is an abundant number, since it is smaller than the sum of its proper divisors (25776969184).

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

15294948672 is a wasteful number, since it uses less digits than its factorization.

15294948672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189055 (or 1189045 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

It can be divided in two parts, 15294 and 948672, that added together give a triangular number (963966 = T₁₃₈₈).

The spelling of 15294948672 in words is "fifteen billion, two hundred ninety-four million, nine hundred forty-eight thousand, six hundred seventy-two".