44642622642 has 32 divisors (see below), whose sum is σ = 99512971200. Its totient is φ = 13268395008.

The previous prime is 44642622637. The next prime is 44642622683. The reversal of 44642622642 is 24622624644.

It is a happy number.

It is a super-2 number, since 2×44642622642² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44642622594 and 44642622603.

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, 11515767 + ... + 11519642.

It is an arithmetic number, because the mean of its divisors is an integer number (3109780350).

Almost surely, 2^44642622642 is an apocalyptic number.

44642622642 is an abundant number, since it is smaller than the sum of its proper divisors (54870348558).

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

44642622642 is a wasteful number, since it uses less digits than its factorization.

44642622642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23035450.

The product of its digits is 884736, while the sum is 42.

The spelling of 44642622642 in words is "forty-four billion, six hundred forty-two million, six hundred twenty-two thousand, six hundred forty-two".