19612275040 has 24 divisors (see below), whose sum is σ = 46334000160. Its totient is φ = 7844909952.

The previous prime is 19612275037. The next prime is 19612275073. The reversal of 19612275040 is 4057221691.

It is a congruent number.

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, 61288200 + ... + 61288519.

It is an arithmetic number, because the mean of its divisors is an integer number (1930583340).

Almost surely, 2^19612275040 is an apocalyptic number.

19612275040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19612275040 is an abundant number, since it is smaller than the sum of its proper divisors (26721725120).

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

19612275040 is a wasteful number, since it uses less digits than its factorization.

19612275040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122576734 (or 122576726 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 19612275040 in words is "nineteen billion, six hundred twelve million, two hundred seventy-five thousand, forty".