40522380 has 48 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 10621888.

The previous prime is 40522379. The next prime is 40522381. The reversal of 40522380 is 8322504.

It is an interprime number because it is at equal distance from previous prime (40522379) and next prime (40522381).

It is a self number, because there is not a number n which added to its sum of digits gives 40522380.

It is not an unprimeable number, because it can be changed into a prime (40522381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^40522380 is an apocalyptic number.

It is an amenable number.

40522380 is an abundant number, since it is smaller than the sum of its proper divisors (74873460).

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

40522380 is a wasteful number, since it uses less digits than its factorization.

40522380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40522380 is about 6365.7191266973. The cubic root of 40522380 is about 343.4775171791.

Adding to 40522380 its reverse (8322504), we get a palindrome (48844884).

The spelling of 40522380 in words is "forty million, five hundred twenty-two thousand, three hundred eighty".