427154040424 has 8 divisors (see below), whose sum is σ = 800913825810. Its totient is φ = 213577020208.

The previous prime is 427154040409. The next prime is 427154040479. The reversal of 427154040424 is 424040451724.

It can be written as a sum of positive squares in only one way, i.e., 424736351524 + 2417688900 = 651718^2 + 49170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26697127519 + ... + 26697127534.

Almost surely, 2^427154040424 is an apocalyptic number.

It is an amenable number.

427154040424 is a deficient number, since it is larger than the sum of its proper divisors (373759785386).

427154040424 is a wasteful number, since it uses less digits than its factorization.

427154040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53394255059 (or 53394255055 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 37.

The spelling of 427154040424 in words is "four hundred twenty-seven billion, one hundred fifty-four million, forty thousand, four hundred twenty-four".