40356822 has 16 divisors (see below), whose sum is σ = 88051392. Its totient is φ = 12229320.

The previous prime is 40356821. The next prime is 40356853. The reversal of 40356822 is 22865304.

It is a self number, because there is not a number n which added to its sum of digits gives 40356822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40356821) 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, 305668 + ... + 305799.

It is an arithmetic number, because the mean of its divisors is an integer number (5503212).

Almost surely, 2^40356822 is an apocalyptic number.

40356822 is an abundant number, since it is smaller than the sum of its proper divisors (47694570).

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

40356822 is a wasteful number, since it uses less digits than its factorization.

40356822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611483.

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

The square root of 40356822 is about 6352.7019448421. The cubic root of 40356822 is about 343.0091087745.

The spelling of 40356822 in words is "forty million, three hundred fifty-six thousand, eight hundred twenty-two".