426238509504 has 224 divisors, whose sum is σ = 1161835176960. Its totient is φ = 137871720448.

The previous prime is 426238509493. The next prime is 426238509547. The reversal of 426238509504 is 405905832624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206609977 + ... + 206612039.

Almost surely, 2^426238509504 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 426238509504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580917588480).

426238509504 is an abundant number, since it is smaller than the sum of its proper divisors (735596667456).

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

426238509504 is a wasteful number, since it uses less digits than its factorization.

426238509504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 426238509504 in words is "four hundred twenty-six billion, two hundred thirty-eight million, five hundred nine thousand, five hundred four".