290303916428 has 12 divisors (see below), whose sum is σ = 508115909952. Its totient is φ = 145127942160.

The previous prime is 290303916379. The next prime is 290303916509. The reversal of 290303916428 is 824619303092.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5976803 + ... + 6025178.

It is an arithmetic number, because the mean of its divisors is an integer number (42342992496).

Almost surely, 2^290303916428 is an apocalyptic number.

It is an amenable number.

290303916428 is a deficient number, since it is larger than the sum of its proper divisors (217811993524).

290303916428 is a wasteful number, since it uses less digits than its factorization.

290303916428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008032 (or 12008030 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 290303916428 in words is "two hundred ninety billion, three hundred three million, nine hundred sixteen thousand, four hundred twenty-eight".