40522365 has 48 divisors (see below), whose sum is σ = 76435632. Its totient is φ = 19740672.

The previous prime is 40522357. The next prime is 40522379. The reversal of 40522365 is 56322504.

It can be written as a sum of positive squares in 8 ways, for example, as 27060804 + 13461561 = 5202^2 + 3669^2 .

It is not a de Polignac number, because 40522365 - 2³ = 40522357 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65799 + ... + 66411.

It is an arithmetic number, because the mean of its divisors is an integer number (1592409).

Almost surely, 2^40522365 is an apocalyptic number.

40522365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40522365 is a deficient number, since it is larger than the sum of its proper divisors (35913267).

40522365 is a wasteful number, since it uses less digits than its factorization.

40522365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40522365 is about 6365.7179485114. The cubic root of 40522365 is about 343.4774747979.

Adding to 40522365 its reverse (56322504), we get a palindrome (96844869).

The spelling of 40522365 in words is "forty million, five hundred twenty-two thousand, three hundred sixty-five".