42765412804 has 9 divisors (see below), whose sum is σ = 74840196207. Its totient is φ = 21382499604.

The previous prime is 42765412787. The next prime is 42765412843. The reversal of 42765412804 is 40821456724.

The square root of 42765412804 is 206798.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 361897 + ... + 465295.

Almost surely, 2^42765412804 is an apocalyptic number.

42765412804 is the 206798-th square number.

It is an amenable number.

42765412804 is a deficient number, since it is larger than the sum of its proper divisors (32074783403).

42765412804 is an frugal number, since it uses more digits than its factorization.

42765412804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206802 (or 103401 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 42765412804 in words is "forty-two billion, seven hundred sixty-five million, four hundred twelve thousand, eight hundred four".