424670440 has 32 divisors (see below), whose sum is σ = 956357280. Its totient is φ = 169717312.

The previous prime is 424670369. The next prime is 424670447. The reversal of 424670440 is 44076424.

It is not an unprimeable number, because it can be changed into a prime (424670447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48219 + ... + 56341.

It is an arithmetic number, because the mean of its divisors is an integer number (29886165).

Almost surely, 2^424670440 is an apocalyptic number.

424670440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424670440 is an abundant number, since it is smaller than the sum of its proper divisors (531686840).

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

424670440 is a wasteful number, since it uses less digits than its factorization.

424670440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 424670440 is about 20607.5335739142. The cubic root of 424670440 is about 751.6529115388.

The spelling of 424670440 in words is "four hundred twenty-four million, six hundred seventy thousand, four hundred forty".