32238673920 has 672 divisors, whose sum is σ = 120222385920. Its totient is φ = 8281128960.

The previous prime is 32238673903. The next prime is 32238673931. The reversal of 32238673920 is 2937683223.

It is a super-2 number, since 2×32238673920² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408084441 + ... + 408084519.

It is an arithmetic number, because the mean of its divisors is an integer number (178902360).

Almost surely, 2^32238673920 is an apocalyptic number.

32238673920 is a gapful number since it is divisible by the number (30) 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 32238673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60111192960).

32238673920 is an abundant number, since it is smaller than the sum of its proper divisors (87983712000).

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

32238673920 is an frugal number, since it uses more digits than its factorization.

32238673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 32238673920 in words is "thirty-two billion, two hundred thirty-eight million, six hundred seventy-three thousand, nine hundred twenty".