430628780 has 12 divisors (see below), whose sum is σ = 904320480. Its totient is φ = 172251504.

The previous prime is 430628777. The next prime is 430628797. The reversal of 430628780 is 87826034.

It is a super-2 number, since 2×430628780² = 370882292328576800, 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, 10765700 + ... + 10765739.

It is an arithmetic number, because the mean of its divisors is an integer number (75360040).

Almost surely, 2^430628780 is an apocalyptic number.

It is an amenable number.

430628780 is an abundant number, since it is smaller than the sum of its proper divisors (473691700).

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

430628780 is a wasteful number, since it uses less digits than its factorization.

430628780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21531448 (or 21531446 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 430628780 is about 20751.5970469745. The cubic root of 430628780 is about 755.1519539772.

The spelling of 430628780 in words is "four hundred thirty million, six hundred twenty-eight thousand, seven hundred eighty".