43964425742 has 24 divisors (see below), whose sum is σ = 68224208832. Its totient is φ = 21248344260.

The previous prime is 43964425727. The next prime is 43964425759. The reversal of 43964425742 is 24752446934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51180509 + ... + 51181367.

It is an arithmetic number, because the mean of its divisors is an integer number (2842675368).

Almost surely, 2^43964425742 is an apocalyptic number.

43964425742 is a deficient number, since it is larger than the sum of its proper divisors (24259783090).

43964425742 is an frugal number, since it uses more digits than its factorization.

43964425742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 892 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 50.

The spelling of 43964425742 in words is "forty-three billion, nine hundred sixty-four million, four hundred twenty-five thousand, seven hundred forty-two".