424740400 has 60 divisors (see below), whose sum is σ = 1166223472. Its totient is φ = 145624320.

The previous prime is 424740397. The next prime is 424740479. The reversal of 424740400 is 4047424.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73047 + ... + 78646.

Almost surely, 2^424740400 is an apocalyptic number.

424740400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424740400 is an abundant number, since it is smaller than the sum of its proper divisors (741483072).

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

424740400 is a wasteful number, since it uses less digits than its factorization.

424740400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151718 (or 151707 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 424740400 is about 20609.2309414980. The cubic root of 424740400 is about 751.6941849165.

Adding to 424740400 its reverse (4047424), we get a palindrome (428787824).

The spelling of 424740400 in words is "four hundred twenty-four million, seven hundred forty thousand, four hundred".