427240402432 has 20 divisors (see below), whose sum is σ = 853646351976. Its totient is φ = 213620200960.

The previous prime is 427240402423. The next prime is 427240402481. The reversal of 427240402432 is 234204042724.

It is a super-2 number, since 2×427240402432² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417226444 + ... + 417227467.

Almost surely, 2^427240402432 is an apocalyptic number.

It is an amenable number.

427240402432 is a deficient number, since it is larger than the sum of its proper divisors (426405949544).

427240402432 is an frugal number, since it uses more digits than its factorization.

427240402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834453929 (or 834453913 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 34.

The spelling of 427240402432 in words is "four hundred twenty-seven billion, two hundred forty million, four hundred two thousand, four hundred thirty-two".