424348440 has 64 divisors (see below), whose sum is σ = 1287381600. Its totient is φ = 111885312.

The previous prime is 424348439. The next prime is 424348481. The reversal of 424348440 is 44843424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9187 + ... + 30546.

Almost surely, 2^424348440 is an apocalyptic number.

424348440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424348440 is an abundant number, since it is smaller than the sum of its proper divisors (863033160).

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

424348440 is a wasteful number, since it uses less digits than its factorization.

424348440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39836 (or 39832 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

The square root of 424348440 is about 20599.7194155649. The cubic root of 424348440 is about 751.4628869826.

The spelling of 424348440 in words is "four hundred twenty-four million, three hundred forty-eight thousand, four hundred forty".