40828500 has 144 divisors (see below), whose sum is σ = 132420288. Its totient is φ = 10584000.

The previous prime is 40828499. The next prime is 40828507. The reversal of 40828500 is 582804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40828507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193395 + ... + 193605.

Almost surely, 2^40828500 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 40828500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66210144).

40828500 is an abundant number, since it is smaller than the sum of its proper divisors (91591788).

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

40828500 is a wasteful number, since it uses less digits than its factorization.

40828500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 40828500 is about 6389.7183036500. The cubic root of 40828500 is about 344.3402640955.

It can be divided in two parts, 40828 and 500, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40828500 in words is "forty million, eight hundred twenty-eight thousand, five hundred".