425589380 has 12 divisors (see below), whose sum is σ = 893737740. Its totient is φ = 170235744.

The previous prime is 425589377. The next prime is 425589391. The reversal of 425589380 is 83985524.

It can be written as a sum of positive squares in 2 ways, for example, as 46430596 + 379158784 = 6814^2 + 19472^2 .

It is a super-2 number, since 2×425589380² = 362252640737568800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10639715 + ... + 10639754.

It is an arithmetic number, because the mean of its divisors is an integer number (74478145).

Almost surely, 2^425589380 is an apocalyptic number.

It is an amenable number.

425589380 is an abundant number, since it is smaller than the sum of its proper divisors (468148360).

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

425589380 is a wasteful number, since it uses less digits than its factorization.

425589380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279478 (or 21279476 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 425589380 is about 20629.8177403486. The cubic root of 425589380 is about 752.1946856165.

The spelling of 425589380 in words is "four hundred twenty-five million, five hundred eighty-nine thousand, three hundred eighty".