744135427428 has 48 divisors (see below), whose sum is σ = 1837326468096. Its totient is φ = 233918866720.

The previous prime is 744135427403. The next prime is 744135427459. The reversal of 744135427428 is 824724531447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18967326 + ... + 19006517.

It is an arithmetic number, because the mean of its divisors is an integer number (38277634752).

Almost surely, 2^744135427428 is an apocalyptic number.

It is an amenable number.

744135427428 is an abundant number, since it is smaller than the sum of its proper divisors (1093191040668).

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

744135427428 is a wasteful number, since it uses less digits than its factorization.

744135427428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37973944 (or 37973942 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 51.

The spelling of 744135427428 in words is "seven hundred forty-four billion, one hundred thirty-five million, four hundred twenty-seven thousand, four hundred twenty-eight".