40800528 has 120 divisors (see below), whose sum is σ = 121325568. Its totient is φ = 12773376.

The previous prime is 40800517. The next prime is 40800533. The reversal of 40800528 is 82500804.

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, 321201 + ... + 321327.

Almost surely, 2^40800528 is an apocalyptic number.

40800528 is a gapful number since it is divisible by the number (48) 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 40800528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60662784).

40800528 is an abundant number, since it is smaller than the sum of its proper divisors (80525040).

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

40800528 is a wasteful number, since it uses less digits than its factorization.

40800528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 252 counting only the distinct ones).

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

The square root of 40800528 is about 6387.5290997380. The cubic root of 40800528 is about 344.2616091825.

It can be divided in two parts, 40800 and 528, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40800528 in words is "forty million, eight hundred thousand, five hundred twenty-eight".