44123656657642 has 4 divisors (see below), whose sum is σ = 66185484986466. Its totient is φ = 22061828328820.

The previous prime is 44123656657609. The next prime is 44123656657679. The reversal of 44123656657642 is 24675665632144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32964121790721 + 11159534866921 = 5741439^2 + 3340589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030914164409 + ... + 11030914164412.

Almost surely, 2^{44123656657642} is an apocalyptic number.

44123656657642 is a deficient number, since it is larger than the sum of its proper divisors (22061828328824).

44123656657642 is a wasteful number, since it uses less digits than its factorization.

44123656657642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061828328823.

The product of its digits is 174182400, while the sum is 61.

The spelling of 44123656657642 in words is "forty-four trillion, one hundred twenty-three billion, six hundred fifty-six million, six hundred fifty-seven thousand, six hundred forty-two".