430421628555 has 96 divisors (see below), whose sum is σ = 760396815360. Its totient is φ = 225191715840.

The previous prime is 430421628551. The next prime is 430421628563. The reversal of 430421628555 is 555826124034.

430421628555 is a `hidden beast` number, since 4 + 30 + 4 + 2 + 1 + 62 + 8 + 555 = 666.

It is not a de Polignac number, because 430421628555 - 2² = 430421628551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 430421628555.

It is not an unprimeable number, because it can be changed into a prime (430421628551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 530729100 + ... + 530729910.

It is an arithmetic number, because the mean of its divisors is an integer number (7920800160).

Almost surely, 2^430421628555 is an apocalyptic number.

430421628555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

430421628555 is a deficient number, since it is larger than the sum of its proper divisors (329975186805).

430421628555 is a wasteful number, since it uses less digits than its factorization.

430421628555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 430421628555 in words is "four hundred thirty billion, four hundred twenty-one million, six hundred twenty-eight thousand, five hundred fifty-five".