19133296640 has 52 divisors (see below), whose sum is σ = 45914355624. Its totient is φ = 7653310464.

The previous prime is 19133296619. The next prime is 19133296643. The reversal of 19133296640 is 4669233191.

It is a junction number, because it is equal to n+sod(n) for n = 19133296591 and 19133296600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19133296643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446642 + ... + 487601.

Almost surely, 2^19133296640 is an apocalyptic number.

19133296640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19133296640 is an abundant number, since it is smaller than the sum of its proper divisors (26781058984).

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

19133296640 is an frugal number, since it uses more digits than its factorization.

19133296640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934272 (or 934250 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 19133296640 in words is "nineteen billion, one hundred thirty-three million, two hundred ninety-six thousand, six hundred forty".