43374018996 has 480 divisors, whose sum is σ = 146689449984. Its totient is φ = 10850112000.

The previous prime is 43374018991. The next prime is 43374019027. The reversal of 43374018996 is 69981047334.

It is a happy number.

43374018996 is a `hidden beast` number, since 4 + 3 + 374 + 0 + 189 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43374018991) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 83251216 + ... + 83251736.

Almost surely, 2^43374018996 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 43374018996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73344724992).

43374018996 is an abundant number, since it is smaller than the sum of its proper divisors (103315430988).

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

43374018996 is a wasteful number, since it uses less digits than its factorization.

43374018996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 43374018996 in words is "forty-three billion, three hundred seventy-four million, eighteen thousand, nine hundred ninety-six".