32640150 has 48 divisors (see below), whose sum is σ = 81494784. Its totient is φ = 8645280.

The previous prime is 32640133. The next prime is 32640161. The reversal of 32640150 is 5104623.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24399 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (1697808).

Almost surely, 2^32640150 is an apocalyptic number.

32640150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32640150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40747392).

32640150 is an abundant number, since it is smaller than the sum of its proper divisors (48854634).

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

32640150 is a wasteful number, since it uses less digits than its factorization.

32640150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 32640150 is about 5713.1558704450. The cubic root of 32640150 is about 319.5832791744.

Adding to 32640150 its reverse (5104623), we get a palindrome (37744773).

The spelling of 32640150 in words is "thirty-two million, six hundred forty thousand, one hundred fifty".