43234160640 has 832 divisors, whose sum is σ = 165092815872. Its totient is φ = 9542041600.

The previous prime is 43234160621. The next prime is 43234160659. The reversal of 43234160640 is 4606143234.

It is an interprime number because it is at equal distance from previous prime (43234160621) and next prime (43234160659).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 608931805 + ... + 608931875.

Almost surely, 2^43234160640 is an apocalyptic number.

43234160640 is a gapful number since it is divisible by the number (40) 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 43234160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82546407936).

43234160640 is an abundant number, since it is smaller than the sum of its proper divisors (121858655232).

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

43234160640 is a wasteful number, since it uses less digits than its factorization.

43234160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 43234160640 in words is "forty-three billion, two hundred thirty-four million, one hundred sixty thousand, six hundred forty".