19449004932 has 180 divisors, whose sum is σ = 59275990620. Its totient is φ = 5544516096.

The previous prime is 19449004931. The next prime is 19449004933. The reversal of 19449004932 is 23940094491.

19449004932 is a `hidden beast` number, since 1 + 94 + 490 + 0 + 49 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (19449004931) and next prime (19449004933).

It can be written as a sum of positive squares in 2 ways, for example, as 2244485376 + 17204519556 = 47376^2 + 131166^2 .

It is not an unprimeable number, because it can be changed into a prime (19449004931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9032368 + ... + 9034520.

It is an arithmetic number, because the mean of its divisors is an integer number (329311059).

Almost surely, 2^19449004932 is an apocalyptic number.

19449004932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19449004932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29637995310).

19449004932 is an abundant number, since it is smaller than the sum of its proper divisors (39826985688).

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

19449004932 is a wasteful number, since it uses less digits than its factorization.

19449004932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 19449004932 in words is "nineteen billion, four hundred forty-nine million, four thousand, nine hundred thirty-two".