501641680390 has 32 divisors (see below), whose sum is σ = 932405354496. Its totient is φ = 194116637280.

The previous prime is 501641680387. The next prime is 501641680447. The reversal of 501641680390 is 93086146105.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 621219 + ... + 1178641.

It is an arithmetic number, because the mean of its divisors is an integer number (29137667328).

Almost surely, 2^501641680390 is an apocalyptic number.

501641680390 is a deficient number, since it is larger than the sum of its proper divisors (430763674106).

501641680390 is a wasteful number, since it uses less digits than its factorization.

501641680390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560364.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 501641680390 in words is "five hundred one billion, six hundred forty-one million, six hundred eighty thousand, three hundred ninety".