425724480 has 168 divisors, whose sum is σ = 1528218432. Its totient is φ = 108573696.

The previous prime is 425724473. The next prime is 425724491. The reversal of 425724480 is 84427524.

425724480 is a `hidden beast` number, since 4 + 2 + 572 + 4 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63027 + ... + 69453.

Almost surely, 2^425724480 is an apocalyptic number.

425724480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425724480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764109216).

425724480 is an abundant number, since it is smaller than the sum of its proper divisors (1102493952).

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

425724480 is a wasteful number, since it uses less digits than its factorization.

425724480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 425724480 is about 20633.0918671924. The cubic root of 425724480 is about 752.2742699574.

The spelling of 425724480 in words is "four hundred twenty-five million, seven hundred twenty-four thousand, four hundred eighty".