442758464272 has 10 divisors (see below), whose sum is σ = 857844524558. Its totient is φ = 221379232128.

The previous prime is 442758464261. The next prime is 442758464293. The reversal of 442758464272 is 272464857244.

It can be written as a sum of positive squares in only one way, i.e., 440094252816 + 2664211456 = 663396^2 + 51616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13836201993 + ... + 13836202024.

Almost surely, 2^442758464272 is an apocalyptic number.

It is an amenable number.

442758464272 is a deficient number, since it is larger than the sum of its proper divisors (415086060286).

442758464272 is a wasteful number, since it uses less digits than its factorization.

442758464272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27672404025 (or 27672404019 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 55.

The spelling of 442758464272 in words is "four hundred forty-two billion, seven hundred fifty-eight million, four hundred sixty-four thousand, two hundred seventy-two".