19279420160 has 576 divisors, whose sum is σ = 63689601024. Its totient is φ = 5396889600.

The previous prime is 19279420151. The next prime is 19279420241. The reversal of 19279420160 is 6102497291.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52532297 + ... + 52532663.

It is an arithmetic number, because the mean of its divisors is an integer number (110572224).

Almost surely, 2^19279420160 is an apocalyptic number.

19279420160 is a gapful number since it is divisible by the number (10) 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 19279420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31844800512).

19279420160 is an abundant number, since it is smaller than the sum of its proper divisors (44410180864).

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

19279420160 is a wasteful number, since it uses less digits than its factorization.

19279420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 19279420160 in words is "nineteen billion, two hundred seventy-nine million, four hundred twenty thousand, one hundred sixty".