427052531624 has 8 divisors (see below), whose sum is σ = 800723496810. Its totient is φ = 213526265808.

The previous prime is 427052531617. The next prime is 427052531629. The reversal of 427052531624 is 426135250724.

It can be written as a sum of positive squares in only one way, i.e., 424345410724 + 2707120900 = 651418^2 + 52030^2 .

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

It is not an unprimeable number, because it can be changed into a prime (427052531629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26690783219 + ... + 26690783234.

Almost surely, 2^427052531624 is an apocalyptic number.

It is an amenable number.

427052531624 is a deficient number, since it is larger than the sum of its proper divisors (373670965186).

427052531624 is a wasteful number, since it uses less digits than its factorization.

427052531624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53381566459 (or 53381566455 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 427052531624 in words is "four hundred twenty-seven billion, fifty-two million, five hundred thirty-one thousand, six hundred twenty-four".