424525400 has 96 divisors (see below), whose sum is σ = 1079253840. Its totient is φ = 154344960.

The previous prime is 424525373. The next prime is 424525427. The reversal of 424525400 is 4525424.

It is an interprime number because it is at equal distance from previous prime (424525373) and next prime (424525427).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 424525400.

It is a congruent number.

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, 172982 + ... + 175418.

Almost surely, 2^424525400 is an apocalyptic number.

424525400 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 424525400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539626920).

424525400 is an abundant number, since it is smaller than the sum of its proper divisors (654728440).

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

424525400 is a wasteful number, since it uses less digits than its factorization.

424525400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 424525400 is about 20604.0141720006. The cubic root of 424525400 is about 751.5673297624.

The spelling of 424525400 in words is "four hundred twenty-four million, five hundred twenty-five thousand, four hundred".