305207552406 has 16 divisors (see below), whose sum is σ = 610463983104. Its totient is φ = 101727704424.

The previous prime is 305207552399. The next prime is 305207552413. The reversal of 305207552406 is 604255702503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305207552399) and next prime (305207552413).

It is a super-2 number, since 2×305207552406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1955170 + ... + 2105493.

It is an arithmetic number, because the mean of its divisors is an integer number (38153998944).

Almost surely, 2^305207552406 is an apocalyptic number.

305207552406 is an abundant number, since it is smaller than the sum of its proper divisors (305256430698).

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

305207552406 is a wasteful number, since it uses less digits than its factorization.

305207552406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073195.

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 305207552406 in words is "three hundred five billion, two hundred seven million, five hundred fifty-two thousand, four hundred six".