8438372832 has 24 divisors (see below), whose sum is σ = 22150728936. Its totient is φ = 2812790912.

The previous prime is 8438372801. The next prime is 8438372837. The reversal of 8438372832 is 2382738348.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×8438372832² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438372837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43949763 + ... + 43949954.

It is an arithmetic number, because the mean of its divisors is an integer number (922947039).

Almost surely, 2^8438372832 is an apocalyptic number.

It is an amenable number.

8438372832 is an abundant number, since it is smaller than the sum of its proper divisors (13712356104).

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

8438372832 is a wasteful number, since it uses less digits than its factorization.

8438372832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87899730 (or 87899722 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 8438372832 is about 91860.6163271290. The cubic root of 8438372832 is about 2035.8834094496.

The spelling of 8438372832 in words is "eight billion, four hundred thirty-eight million, three hundred seventy-two thousand, eight hundred thirty-two".