424505240 has 32 divisors (see below), whose sum is σ = 958685760. Its totient is φ = 169171200.

The previous prime is 424505231. The next prime is 424505251. The reversal of 424505240 is 42505424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 30420.

It is an arithmetic number, because the mean of its divisors is an integer number (29958930).

Almost surely, 2^424505240 is an apocalyptic number.

424505240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424505240 is an abundant number, since it is smaller than the sum of its proper divisors (534180520).

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

424505240 is a wasteful number, since it uses less digits than its factorization.

424505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39443 (or 39439 counting only the distinct ones).

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

The square root of 424505240 is about 20603.5249411357. The cubic root of 424505240 is about 751.5554326829. Note that the first 3 decimals are identical.

The spelling of 424505240 in words is "four hundred twenty-four million, five hundred five thousand, two hundred forty".