19467804090 has 128 divisors (see below), whose sum is σ = 55972933632. Its totient is φ = 4240212480.

The previous prime is 19467804077. The next prime is 19467804107. The reversal of 19467804090 is 9040876491.

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, 343939 + ... + 396521.

It is an arithmetic number, because the mean of its divisors is an integer number (437288544).

Almost surely, 2^19467804090 is an apocalyptic number.

19467804090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19467804090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27986466816).

19467804090 is an abundant number, since it is smaller than the sum of its proper divisors (36505129542).

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

19467804090 is a wasteful number, since it uses less digits than its factorization.

19467804090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 19467804090 in words is "nineteen billion, four hundred sixty-seven million, eight hundred four thousand, ninety".