15244274040 has 64 divisors (see below), whose sum is σ = 46137578400. Its totient is φ = 4029161472.

The previous prime is 15244274033. The next prime is 15244274053. The reversal of 15244274040 is 4047244251.

It is a junction number, because it is equal to n+sod(n) for n = 15244273992 and 15244274010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548545 + ... + 575664.

Almost surely, 2^15244274040 is an apocalyptic number.

15244274040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15244274040 is an abundant number, since it is smaller than the sum of its proper divisors (30893304360).

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

15244274040 is a wasteful number, since it uses less digits than its factorization.

15244274040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124336 (or 1124332 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The spelling of 15244274040 in words is "fifteen billion, two hundred forty-four million, two hundred seventy-four thousand, forty".