305405426403030 has 32 divisors (see below), whose sum is σ = 733019630529024. Its totient is φ = 81436268467296.

The previous prime is 305405426403017. The next prime is 305405426403043. The reversal of 305405426403030 is 30304624504503.

It is an interprime number because it is at equal distance from previous prime (305405426403017) and next prime (305405426403043).

It is a self number, because there is not a number n which added to its sum of digits gives 305405426403030.

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, 323181172 + ... + 324124791.

It is an arithmetic number, because the mean of its divisors is an integer number (22906863454032).

Almost surely, 2^{305405426403030} is an apocalyptic number.

305405426403030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305405426403030 is an abundant number, since it is smaller than the sum of its proper divisors (427614204125994).

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

305405426403030 is a wasteful number, since it uses less digits than its factorization.

305405426403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647321700.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 305405426403030 in words is "three hundred five trillion, four hundred five billion, four hundred twenty-six million, four hundred three thousand, thirty".