426401880 has 64 divisors (see below), whose sum is σ = 1280867040. Its totient is φ = 113559552.

The previous prime is 426401879. The next prime is 426401929. The reversal of 426401880 is 88104624.

It is a super-3 number, since 3×426401880³ (a number of 27 digits) contains 333 as substring.

It is a nialpdrome in base 12.

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, 115422 + ... + 119058.

Almost surely, 2^426401880 is an apocalyptic number.

426401880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426401880 is an abundant number, since it is smaller than the sum of its proper divisors (854465160).

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

426401880 is a wasteful number, since it uses less digits than its factorization.

426401880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 426401880 is about 20649.5007203564. The cubic root of 426401880 is about 752.6730572571.

The spelling of 426401880 in words is "four hundred twenty-six million, four hundred one thousand, eight hundred eighty".