42644477152622 has 16 divisors (see below), whose sum is σ = 64147151093760. Its totient is φ = 21262158585048.

The previous prime is 42644477152597. The next prime is 42644477152639. The reversal of 42644477152622 is 22625177444624.

It is a congruent number.

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, 14972078 + ... + 17591249.

It is an arithmetic number, because the mean of its divisors is an integer number (4009196943360).

Almost surely, 2^{42644477152622} is an apocalyptic number.

42644477152622 is a deficient number, since it is larger than the sum of its proper divisors (21502673941138).

42644477152622 is a wasteful number, since it uses less digits than its factorization.

42644477152622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32565175.

The product of its digits is 36126720, while the sum is 56.

The spelling of 42644477152622 in words is "forty-two trillion, six hundred forty-four billion, four hundred seventy-seven million, one hundred fifty-two thousand, six hundred twenty-two".