426464440 has 16 divisors (see below), whose sum is σ = 959545080. Its totient is φ = 170585760.

The previous prime is 426464429. The next prime is 426464453. The reversal of 426464440 is 44464624.

It is a junction number, because it is equal to n+sod(n) for n = 426464396 and 426464405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330766 + ... + 5330845.

Almost surely, 2^426464440 is an apocalyptic number.

426464440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426464440 is an abundant number, since it is smaller than the sum of its proper divisors (533080640).

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

426464440 is a wasteful number, since it uses less digits than its factorization.

426464440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661622 (or 10661618 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The square root of 426464440 is about 20651.0154713999. The cubic root of 426464440 is about 752.7098651966.

The spelling of 426464440 in words is "four hundred twenty-six million, four hundred sixty-four thousand, four hundred forty".