19372400772 has 24 divisors (see below), whose sum is σ = 45204565056. Its totient is φ = 6457138848.

The previous prime is 19372400771. The next prime is 19372400791. The reversal of 19372400772 is 27700427391.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19372400771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 368953 + ... + 418175.

It is an arithmetic number, because the mean of its divisors is an integer number (1883523544).

Almost surely, 2^19372400772 is an apocalyptic number.

19372400772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19372400772 is an abundant number, since it is smaller than the sum of its proper divisors (25832164284).

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

19372400772 is a wasteful number, since it uses less digits than its factorization.

19372400772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82027 (or 82025 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 19372400772 in words is "nineteen billion, three hundred seventy-two million, four hundred thousand, seven hundred seventy-two".