424045400 has 24 divisors (see below), whose sum is σ = 985906020. Its totient is φ = 169618080.

The previous prime is 424045361. The next prime is 424045417. The reversal of 424045400 is 4540424.

It is a super-2 number, since 2×424045400² = 359629002522320000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1059914 + ... + 1060313.

Almost surely, 2^424045400 is an apocalyptic number.

424045400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424045400 is an abundant number, since it is smaller than the sum of its proper divisors (561860620).

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

424045400 is a wasteful number, since it uses less digits than its factorization.

424045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120243 (or 2120234 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 424045400 is about 20592.3626619191. The cubic root of 424045400 is about 751.2839636252.

Adding to 424045400 its reverse (4540424), we get a palindrome (428585824).

The spelling of 424045400 in words is "four hundred twenty-four million, forty-five thousand, four hundred".