305505042 has 16 divisors (see below), whose sum is σ = 615407520. Its totient is φ = 101102112.

The previous prime is 305505023. The next prime is 305505061. The reversal of 305505042 is 240505503.

305505042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (305505023) and next prime (305505061).

It is a super-4 number, since 4×305505042⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182323 + ... + 183990.

It is an arithmetic number, because the mean of its divisors is an integer number (38462970).

Almost surely, 2^305505042 is an apocalyptic number.

305505042 is an abundant number, since it is smaller than the sum of its proper divisors (309902478).

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

305505042 is a wasteful number, since it uses less digits than its factorization.

305505042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366457.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 305505042 is about 17478.7025262174. The cubic root of 305505042 is about 673.5028855002.

The spelling of 305505042 in words is "three hundred five million, five hundred five thousand, forty-two".