19457044202 has 16 divisors (see below), whose sum is σ = 31025829600. Its totient is φ = 9125240400.

The previous prime is 19457044193. The next prime is 19457044219. The reversal of 19457044202 is 20244075491.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530952 + ... + 2538627.

It is an arithmetic number, because the mean of its divisors is an integer number (1939114350).

Almost surely, 2^19457044202 is an apocalyptic number.

19457044202 is a deficient number, since it is larger than the sum of its proper divisors (11568785398).

19457044202 is a wasteful number, since it uses less digits than its factorization.

19457044202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069701.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 19457044202 in words is "nineteen billion, four hundred fifty-seven million, forty-four thousand, two hundred two".