19532044740 has 96 divisors (see below), whose sum is σ = 60149859840. Its totient is φ = 4705583616.

The previous prime is 19532044699. The next prime is 19532044747. The reversal of 19532044740 is 4744023591.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (19532044747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229735 + ... + 303054.

It is an arithmetic number, because the mean of its divisors is an integer number (626561040).

Almost surely, 2^19532044740 is an apocalyptic number.

19532044740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19532044740 is an abundant number, since it is smaller than the sum of its proper divisors (40617815100).

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

19532044740 is a wasteful number, since it uses less digits than its factorization.

19532044740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532861 (or 532859 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 19532044740 in words is "nineteen billion, five hundred thirty-two million, forty-four thousand, seven hundred forty".