19413790452 has 96 divisors (see below), whose sum is σ = 57586995200. Its totient is φ = 5540563296.

The previous prime is 19413790439. The next prime is 19413790477. The reversal of 19413790452 is 25409731491.

19413790452 is a `hidden beast` number, since 194 + 1 + 3 + 7 + 9 + 0 + 452 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19413790398 and 19413790407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680793 + ... + 708735.

Almost surely, 2^19413790452 is an apocalyptic number.

19413790452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19413790452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28793497600).

19413790452 is an abundant number, since it is smaller than the sum of its proper divisors (38173204748).

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

19413790452 is a wasteful number, since it uses less digits than its factorization.

19413790452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28882 (or 28874 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 19413790452 in words is "nineteen billion, four hundred thirteen million, seven hundred ninety thousand, four hundred fifty-two".