749975442160 has 320 divisors, whose sum is σ = 2213287483392. Its totient is φ = 230274367488.

The previous prime is 749975442113. The next prime is 749975442191. The reversal of 749975442160 is 61244579947.

It is a junction number, because it is equal to n+sod(n) for n = 749975442095 and 749975442104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42250407 + ... + 42268153.

Almost surely, 2^749975442160 is an apocalyptic number.

749975442160 is a gapful number since it is divisible by the number (70) 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 749975442160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106643741696).

749975442160 is an abundant number, since it is smaller than the sum of its proper divisors (1463312041232).

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

749975442160 is a wasteful number, since it uses less digits than its factorization.

749975442160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 749975442160 in words is "seven hundred forty-nine billion, nine hundred seventy-five million, four hundred forty-two thousand, one hundred sixty".