744121402642 has 16 divisors (see below), whose sum is σ = 1116912436992. Its totient is φ = 371817329200.

The previous prime is 744121402589. The next prime is 744121402667. The reversal of 744121402642 is 246204121447.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26704017 + ... + 26731867.

It is an arithmetic number, because the mean of its divisors is an integer number (69807027312).

Almost surely, 2^744121402642 is an apocalyptic number.

744121402642 is a deficient number, since it is larger than the sum of its proper divisors (372791034350).

744121402642 is a wasteful number, since it uses less digits than its factorization.

744121402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36113.

The product of its (nonzero) digits is 86016, while the sum is 37.

The spelling of 744121402642 in words is "seven hundred forty-four billion, one hundred twenty-one million, four hundred two thousand, six hundred forty-two".