30278300494 has 32 divisors (see below), whose sum is σ = 50393980224. Its totient is φ = 13554865920.

The previous prime is 30278300467. The next prime is 30278300509. The reversal of 30278300494 is 49400387203.

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, 102327 + ... + 266509.

It is an arithmetic number, because the mean of its divisors is an integer number (1574811882).

Almost surely, 2^30278300494 is an apocalyptic number.

30278300494 is a deficient number, since it is larger than the sum of its proper divisors (20115679730).

30278300494 is a wasteful number, since it uses less digits than its factorization.

30278300494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164412.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 30278300494 its reverse (49400387203), we get a palindrome (79678687697).

The spelling of 30278300494 in words is "thirty billion, two hundred seventy-eight million, three hundred thousand, four hundred ninety-four".