426547745624 has 64 divisors (see below), whose sum is σ = 1073826512640. Its totient is φ = 153403781760.

The previous prime is 426547745623. The next prime is 426547745641.

426547745624 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×426547745624² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 426547745624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426547745623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26624594 + ... + 26640609.

It is an arithmetic number, because the mean of its divisors is an integer number (16778539260).

Almost surely, 2^426547745624 is an apocalyptic number.

426547745624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

426547745624 is an abundant number, since it is smaller than the sum of its proper divisors (647278767016).

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

426547745624 is a wasteful number, since it uses less digits than its factorization.

426547745624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53265240 (or 53265236 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 56.

The spelling of 426547745624 in words is "four hundred twenty-six billion, five hundred forty-seven million, seven hundred forty-five thousand, six hundred twenty-four".