43252894368 has 144 divisors (see below), whose sum is σ = 131885470080. Its totient is φ = 13397649408.

The previous prime is 43252894343. The next prime is 43252894387. The reversal of 43252894368 is 86349825234.

43252894368 is a `hidden beast` number, since 4 + 325 + 289 + 4 + 36 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×43252894368² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330871 + ... + 442697.

It is an arithmetic number, because the mean of its divisors is an integer number (915871320).

Almost surely, 2^43252894368 is an apocalyptic number.

43252894368 is a gapful number since it is divisible by the number (48) 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 43252894368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65942735040).

43252894368 is an abundant number, since it is smaller than the sum of its proper divisors (88632575712).

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

43252894368 is a wasteful number, since it uses less digits than its factorization.

43252894368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111939 (or 111928 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 43252894368 in words is "forty-three billion, two hundred fifty-two million, eight hundred ninety-four thousand, three hundred sixty-eight".