19045940604 has 24 divisors (see below), whose sum is σ = 44442776448. Its totient is φ = 6348325680.

The previous prime is 19045940597. The next prime is 19045940609. The reversal of 19045940604 is 40604954091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19045940609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399489 + ... + 444615.

It is an arithmetic number, because the mean of its divisors is an integer number (1851782352).

Almost surely, 2^19045940604 is an apocalyptic number.

It is an amenable number.

19045940604 is an abundant number, since it is smaller than the sum of its proper divisors (25396835844).

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

19045940604 is a wasteful number, since it uses less digits than its factorization.

19045940604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80305 (or 80303 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 19045940604 in words is "nineteen billion, forty-five million, nine hundred forty thousand, six hundred four".