40022450 has 48 divisors (see below), whose sum is σ = 81453120. Its totient is φ = 14541120.

The previous prime is 40022447. The next prime is 40022459. The reversal of 40022450 is 5422004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43091 + ... + 44009.

It is an arithmetic number, because the mean of its divisors is an integer number (1696940).

Almost surely, 2^40022450 is an apocalyptic number.

40022450 is an abundant number, since it is smaller than the sum of its proper divisors (41430670).

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

40022450 is a wasteful number, since it uses less digits than its factorization.

40022450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40022450 is about 6326.3298997128. The cubic root of 40022450 is about 342.0591589692.

Adding to 40022450 its reverse (5422004), we get a palindrome (45444454).

The spelling of 40022450 in words is "forty million, twenty-two thousand, four hundred fifty".