19014056040 has 96 divisors (see below), whose sum is σ = 66355195680. Its totient is φ = 4346068608.

The previous prime is 19014056023. The next prime is 19014056069. The reversal of 19014056040 is 4065041091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 19014055989 and 19014056007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1610962 + ... + 1622721.

It is an arithmetic number, because the mean of its divisors is an integer number (691199955).

Almost surely, 2^19014056040 is an apocalyptic number.

19014056040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19014056040 is an abundant number, since it is smaller than the sum of its proper divisors (47341139640).

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

19014056040 is a wasteful number, since it uses less digits than its factorization.

19014056040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233711 (or 3233700 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 19014056040 in words is "nineteen billion, fourteen million, fifty-six thousand, forty".