19941585060 has 48 divisors (see below), whose sum is σ = 55844796672. Its totient is φ = 5316960000.

The previous prime is 19941585049. The next prime is 19941585061. The reversal of 19941585060 is 6058514991.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19941585061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456160 + ... + 497960.

It is an arithmetic number, because the mean of its divisors is an integer number (1163433264).

Almost surely, 2^19941585060 is an apocalyptic number.

19941585060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19941585060 is an abundant number, since it is smaller than the sum of its proper divisors (35903211612).

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

19941585060 is a wasteful number, since it uses less digits than its factorization.

19941585060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764 (or 49762 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 19941585060 in words is "nineteen billion, nine hundred forty-one million, five hundred eighty-five thousand, sixty".