427537762644 has 24 divisors (see below), whose sum is σ = 997700866848. Its totient is φ = 142496479840.

The previous prime is 427537762637. The next prime is 427537762649. The reversal of 427537762644 is 446267735724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427537762649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902627 + ... + 2115434.

It is an arithmetic number, because the mean of its divisors is an integer number (41570869452).

Almost surely, 2^427537762644 is an apocalyptic number.

It is an amenable number.

427537762644 is an abundant number, since it is smaller than the sum of its proper divisors (570163104204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427537762644 is a wasteful number, since it uses less digits than its factorization.

427537762644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026935 (or 4026933 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 57.

The spelling of 427537762644 in words is "four hundred twenty-seven billion, five hundred thirty-seven million, seven hundred sixty-two thousand, six hundred forty-four".