938486220490 has 256 divisors, whose sum is σ = 2232074880000. Its totient is φ = 281890022400.

The previous prime is 938486220449. The next prime is 938486220509. The reversal of 938486220490 is 94022684839.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 76287340 + ... + 76299640.

It is an arithmetic number, because the mean of its divisors is an integer number (8719042500).

Almost surely, 2^938486220490 is an apocalyptic number.

938486220490 is an abundant number, since it is smaller than the sum of its proper divisors (1293588659510).

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

938486220490 is a wasteful number, since it uses less digits than its factorization.

938486220490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12430 (or 12416 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 938486220490 in words is "nine hundred thirty-eight billion, four hundred eighty-six million, two hundred twenty thousand, four hundred ninety".