306248949490 has 32 divisors (see below), whose sum is σ = 602557232256. Its totient is φ = 111141836160.

The previous prime is 306248949467. The next prime is 306248949509. The reversal of 306248949490 is 94949842603.

It is a happy 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, 2712147 + ... + 2822806.

It is an arithmetic number, because the mean of its divisors is an integer number (18829913508).

Almost surely, 2^306248949490 is an apocalyptic number.

306248949490 is a deficient number, since it is larger than the sum of its proper divisors (296308282766).

306248949490 is a wasteful number, since it uses less digits than its factorization.

306248949490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535474.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 306248949490 in words is "three hundred six billion, two hundred forty-eight million, nine hundred forty-nine thousand, four hundred ninety".