426555504 has 80 divisors (see below), whose sum is σ = 1241706240. Its totient is φ = 140172480.

The previous prime is 426555487. The next prime is 426555511. The reversal of 426555504 is 405555624.

426555504 is a `hidden beast` number, since 42 + 65 + 5 + 550 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23719 + ... + 37625.

It is an arithmetic number, because the mean of its divisors is an integer number (15521328).

Almost surely, 2^426555504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426555504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620853120).

426555504 is an abundant number, since it is smaller than the sum of its proper divisors (815150736).

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

426555504 is a wasteful number, since it uses less digits than its factorization.

426555504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995 (or 13983 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 426555504 is about 20653.2201847557. The cubic root of 426555504 is about 752.7634373795.

The spelling of 426555504 in words is "four hundred twenty-six million, five hundred fifty-five thousand, five hundred four".