19105094232 has 48 divisors (see below), whose sum is σ = 59134817040. Its totient is φ = 5458598208.

The previous prime is 19105094227. The next prime is 19105094243. The reversal of 19105094232 is 23249050191.

It is a super-2 number, since 2×19105094232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18952963 + ... + 18953970.

It is an arithmetic number, because the mean of its divisors is an integer number (1231975355).

Almost surely, 2^19105094232 is an apocalyptic number.

19105094232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19105094232 is an abundant number, since it is smaller than the sum of its proper divisors (40029722808).

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

19105094232 is a wasteful number, since it uses less digits than its factorization.

19105094232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37906952 (or 37906945 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 19105094232 in words is "nineteen billion, one hundred five million, ninety-four thousand, two hundred thirty-two".