43432531442 has 16 divisors (see below), whose sum is σ = 67411051200. Its totient is φ = 20962530960.

The previous prime is 43432531423. The next prime is 43432531477. The reversal of 43432531442 is 24413523434.

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, 169409 + ... + 339947.

It is an arithmetic number, because the mean of its divisors is an integer number (4213190700).

Almost surely, 2^43432531442 is an apocalyptic number.

43432531442 is a deficient number, since it is larger than the sum of its proper divisors (23978519758).

43432531442 is a wasteful number, since it uses less digits than its factorization.

43432531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174961.

The product of its digits is 138240, while the sum is 35.

The spelling of 43432531442 in words is "forty-three billion, four hundred thirty-two million, five hundred thirty-one thousand, four hundred forty-two".