15749330448 has 80 divisors (see below), whose sum is σ = 40879080000. Its totient is φ = 5224906752.

The previous prime is 15749330437. The next prime is 15749330449. The reversal of 15749330448 is 84403394751.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 15749330397 and 15749330406.

It is not an unprimeable number, because it can be changed into a prime (15749330449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12608928 + ... + 12610176.

It is an arithmetic number, because the mean of its divisors is an integer number (510988500).

Almost surely, 2^15749330448 is an apocalyptic number.

It is an amenable number.

15749330448 is an abundant number, since it is smaller than the sum of its proper divisors (25129749552).

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

15749330448 is a wasteful number, since it uses less digits than its factorization.

15749330448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 15749330448 in words is "fifteen billion, seven hundred forty-nine million, three hundred thirty thousand, four hundred forty-eight".