40322045 has 16 divisors (see below), whose sum is σ = 52621488. Its totient is φ = 29537280.

The previous prime is 40322033. The next prime is 40322053. The reversal of 40322045 is 54022304.

It can be written as a sum of positive squares in 8 ways, for example, as 37636 + 40284409 = 194^2 + 6347^2 .

It is not a de Polignac number, because 40322045 - 2⁸ = 40321789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3266 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (3288843).

Almost surely, 2^40322045 is an apocalyptic number.

It is an amenable number.

40322045 is a deficient number, since it is larger than the sum of its proper divisors (12299443).

40322045 is a wasteful number, since it uses less digits than its factorization.

40322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40322045 is about 6349.9641731273. The cubic root of 40322045 is about 342.9105524847.

Adding to 40322045 its reverse (54022304), we get a palindrome (94344349).

The spelling of 40322045 in words is "forty million, three hundred twenty-two thousand, forty-five".