19750472456 has 64 divisors (see below), whose sum is σ = 43533504000. Its totient is φ = 8281728000.

The previous prime is 19750472429. The next prime is 19750472473. The reversal of 19750472456 is 65427405791.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227520 + ... + 2236368.

It is an arithmetic number, because the mean of its divisors is an integer number (680211000).

Almost surely, 2^19750472456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19750472456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21766752000).

19750472456 is an abundant number, since it is smaller than the sum of its proper divisors (23783031544).

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

19750472456 is a wasteful number, since it uses less digits than its factorization.

19750472456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 19750472456 in words is "nineteen billion, seven hundred fifty million, four hundred seventy-two thousand, four hundred fifty-six".