43381898496 has 108 divisors (see below), whose sum is σ = 125211382660. Its totient is φ = 14445527040.

The previous prime is 43381898489. The next prime is 43381898503. The reversal of 43381898496 is 69489818334.

43381898496 is a `hidden beast` number, since 43 + 3 + 8 + 18 + 98 + 496 = 666.

It is an interprime number because it is at equal distance from previous prime (43381898489) and next prime (43381898503).

It can be written as a sum of positive squares in 2 ways, for example, as 8013830400 + 35368068096 = 89520^2 + 188064^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315406 + ... + 2334066.

Almost surely, 2^43381898496 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 43381898496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62605691330).

43381898496 is an abundant number, since it is smaller than the sum of its proper divisors (81829484164).

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

43381898496 is a wasteful number, since it uses less digits than its factorization.

43381898496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19692 (or 19675 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 43381898496 in words is "forty-three billion, three hundred eighty-one million, eight hundred ninety-eight thousand, four hundred ninety-six".