426042720 has 96 divisors (see below), whose sum is σ = 1491164640. Its totient is φ = 113610240.

The previous prime is 426042713. The next prime is 426042739. The reversal of 426042720 is 27240624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44991 + ... + 53630.

It is an arithmetic number, because the mean of its divisors is an integer number (15532965).

Almost surely, 2^426042720 is an apocalyptic number.

426042720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426042720 is an abundant number, since it is smaller than the sum of its proper divisors (1065121920).

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

426042720 is a wasteful number, since it uses less digits than its factorization.

426042720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98645 (or 98631 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 426042720 is about 20640.8023099879. The cubic root of 426042720 is about 752.4616713921.

The spelling of 426042720 in words is "four hundred twenty-six million, forty-two thousand, seven hundred twenty".