43155952422 has 128 divisors (see below), whose sum is σ = 96961632768. Its totient is φ = 12695961600.

The previous prime is 43155952373. The next prime is 43155952493. The reversal of 43155952422 is 22425955134.

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, 128059038 + ... + 128059374.

It is an arithmetic number, because the mean of its divisors is an integer number (757512756).

Almost surely, 2^43155952422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43155952422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48480816384).

43155952422 is an abundant number, since it is smaller than the sum of its proper divisors (53805680346).

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

43155952422 is a wasteful number, since it uses less digits than its factorization.

43155952422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its digits is 432000, while the sum is 42.

The spelling of 43155952422 in words is "forty-three billion, one hundred fifty-five million, nine hundred fifty-two thousand, four hundred twenty-two".