119723440642 has 64 divisors (see below), whose sum is σ = 209955715200. Its totient is φ = 50720670720.

The previous prime is 119723440637. The next prime is 119723440657. The reversal of 119723440642 is 246044327911.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4391409 + ... + 4418587.

It is an arithmetic number, because the mean of its divisors is an integer number (3280558050).

Almost surely, 2^119723440642 is an apocalyptic number.

119723440642 is a deficient number, since it is larger than the sum of its proper divisors (90232274558).

119723440642 is a wasteful number, since it uses less digits than its factorization.

119723440642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27491.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 119723440642 in words is "one hundred nineteen billion, seven hundred twenty-three million, four hundred forty thousand, six hundred forty-two".