424139380 has 48 divisors (see below), whose sum is σ = 1019128320. Its totient is φ = 145248768.

The previous prime is 424139357. The next prime is 424139407. The reversal of 424139380 is 83931424.

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, 198156 + ... + 200284.

It is an arithmetic number, because the mean of its divisors is an integer number (21231840).

Almost surely, 2^424139380 is an apocalyptic number.

It is an amenable number.

424139380 is an abundant number, since it is smaller than the sum of its proper divisors (594988940).

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

424139380 is a wasteful number, since it uses less digits than its factorization.

424139380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3566 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 424139380 is about 20594.6444494679. The cubic root of 424139380 is about 751.3394611823.

The spelling of 424139380 in words is "four hundred twenty-four million, one hundred thirty-nine thousand, three hundred eighty".