426001920 has 80 divisors (see below), whose sum is σ = 1361899440. Its totient is φ = 113598464.

The previous prime is 426001871. The next prime is 426001991. The reversal of 426001920 is 29100624.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20055 + ... + 35414.

It is an arithmetic number, because the mean of its divisors is an integer number (17023743).

Almost surely, 2^426001920 is an apocalyptic number.

426001920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426001920 is an abundant number, since it is smaller than the sum of its proper divisors (935897520).

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

426001920 is an equidigital number, since it uses as much as digits as its factorization.

426001920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55495 (or 55479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 426001920 is about 20639.8139526499. The cubic root of 426001920 is about 752.4376507835.

The spelling of 426001920 in words is "four hundred twenty-six million, one thousand, nine hundred twenty".