749489402220 has 48 divisors (see below), whose sum is σ = 2259998815200. Its totient is φ = 184489698816.

The previous prime is 749489402203. The next prime is 749489402237. The reversal of 749489402220 is 22204984947.

It is an interprime number because it is at equal distance from previous prime (749489402203) and next prime (749489402237).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480441145 + ... + 480442704.

It is an arithmetic number, because the mean of its divisors is an integer number (47083308650).

Almost surely, 2^749489402220 is an apocalyptic number.

It is an amenable number.

749489402220 is an abundant number, since it is smaller than the sum of its proper divisors (1510509412980).

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

749489402220 is a wasteful number, since it uses less digits than its factorization.

749489402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960883874 (or 960883872 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 749489402220 in words is "seven hundred forty-nine billion, four hundred eighty-nine million, four hundred two thousand, two hundred twenty".