19875461424 has 80 divisors (see below), whose sum is σ = 63193788672. Its totient is φ = 5241878784.

The previous prime is 19875461383. The next prime is 19875461429. The reversal of 19875461424 is 42416457891.

It is not an unprimeable number, because it can be changed into a prime (19875461429) 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, 2270754 + ... + 2279489.

Almost surely, 2^19875461424 is an apocalyptic number.

19875461424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19875461424 is an abundant number, since it is smaller than the sum of its proper divisors (43318327248).

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

19875461424 is a wasteful number, since it uses less digits than its factorization.

19875461424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550274 (or 4550268 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 19875461424 in words is "nineteen billion, eight hundred seventy-five million, four hundred sixty-one thousand, four hundred twenty-four".