40236528 has 40 divisors (see below), whose sum is σ = 109417600. Its totient is φ = 12705984.

The previous prime is 40236527. The next prime is 40236529. The reversal of 40236528 is 82563204.

It is an interprime number because it is at equal distance from previous prime (40236527) and next prime (40236529).

It is a junction number, because it is equal to n+sod(n) for n = 40236495 and 40236504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40236527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21148 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (2735440).

Almost surely, 2^40236528 is an apocalyptic number.

40236528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40236528 is an abundant number, since it is smaller than the sum of its proper divisors (69181072).

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

40236528 is a wasteful number, since it uses less digits than its factorization.

40236528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44149 (or 44143 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40236528 is about 6343.2269390272. The cubic root of 40236528 is about 342.6679603141.

The spelling of 40236528 in words is "forty million, two hundred thirty-six thousand, five hundred twenty-eight".