40328860 has 96 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 13251840.

The previous prime is 40328851. The next prime is 40328863. The reversal of 40328860 is 6882304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40328863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168621 + ... + 168859.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^40328860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40328860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

40328860 is an abundant number, since it is smaller than the sum of its proper divisors (61277540).

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

40328860 is a wasteful number, since it uses less digits than its factorization.

40328860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40328860 is about 6350.5007676560. The cubic root of 40328860 is about 342.9298703192.

The spelling of 40328860 in words is "forty million, three hundred twenty-eight thousand, eight hundred sixty".