40822090 has 16 divisors (see below), whose sum is σ = 73680480. Its totient is φ = 16284240.

The previous prime is 40822081. The next prime is 40822099. The reversal of 40822090 is 9022804.

It is an interprime number because it is at equal distance from previous prime (40822081) and next prime (40822099).

It is not an unprimeable number, because it can be changed into a prime (40822099) 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, 1596 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (4605030).

Almost surely, 2^40822090 is an apocalyptic number.

40822090 is a deficient number, since it is larger than the sum of its proper divisors (32858390).

40822090 is a wasteful number, since it uses less digits than its factorization.

40822090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40822090 is about 6389.2166969042. The cubic root of 40822090 is about 344.3222428879.

Adding to 40822090 its reverse (9022804), we get a palindrome (49844894).

The spelling of 40822090 in words is "forty million, eight hundred twenty-two thousand, ninety".