45244378021402 has 24 divisors (see below), whose sum is σ = 83101918818240. Its totient is φ = 18369897842520.

The previous prime is 45244378021397. The next prime is 45244378021457. The reversal of 45244378021402 is 20412087344254.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12149401474 + ... + 12149405197.

It is an arithmetic number, because the mean of its divisors is an integer number (3462579950760).

Almost surely, 2^{45244378021402} is an apocalyptic number.

45244378021402 is a deficient number, since it is larger than the sum of its proper divisors (37857540796838).

45244378021402 is a wasteful number, since it uses less digits than its factorization.

45244378021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24298806706 (or 24298806699 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 46.

The spelling of 45244378021402 in words is "forty-five trillion, two hundred forty-four billion, three hundred seventy-eight million, twenty-one thousand, four hundred two".