425390928400 has 45 divisors (see below), whose sum is σ = 1022033045613. Its totient is φ = 170151153600.

The previous prime is 425390928383. The next prime is 425390928407. The reversal of 425390928400 is 4829093524.

The square root of 425390928400 is 652220.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 153140734224 + 272250194176 = 391332^2 + 521776^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425390928407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13028095 + ... + 13060705.

Almost surely, 2^425390928400 is an apocalyptic number.

425390928400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

425390928400 is the 652220-th square number.

It is an amenable number.

425390928400 is an abundant number, since it is smaller than the sum of its proper divisors (596642117213).

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

425390928400 is an frugal number, since it uses more digits than its factorization.

425390928400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65240 (or 32618 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 425390928400 in words is "four hundred twenty-five billion, three hundred ninety million, nine hundred twenty-eight thousand, four hundred".