32150128 has 40 divisors (see below), whose sum is σ = 69437520. Its totient is φ = 14330880.

The previous prime is 32150117. The next prime is 32150141. The reversal of 32150128 is 82105123.

It is a super-4 number, since 4×32150128⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32150099 and 32150108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (1735938).

Almost surely, 2^32150128 is an apocalyptic number.

32150128 is a gapful number since it is divisible by the number (38) 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 32150128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34718760).

32150128 is an abundant number, since it is smaller than the sum of its proper divisors (37287392).

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

32150128 is a wasteful number, since it uses less digits than its factorization.

32150128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 32150128 is about 5670.1082882076. The cubic root of 32150128 is about 317.9759221251.

The spelling of 32150128 in words is "thirty-two million, one hundred fifty thousand, one hundred twenty-eight".