40372422 has 16 divisors (see below), whose sum is σ = 80974080. Its totient is φ = 13419272.

The previous prime is 40372421. The next prime is 40372441. The reversal of 40372422 is 22427304.

It is a junction number, because it is equal to n+sod(n) for n = 40372392 and 40372401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40372421) 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, 7218 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (5060880).

Almost surely, 2^40372422 is an apocalyptic number.

40372422 is an abundant number, since it is smaller than the sum of its proper divisors (40601658).

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

40372422 is a wasteful number, since it uses less digits than its factorization.

40372422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 40372422 is about 6353.9296502243. The cubic root of 40372422 is about 343.0533000042.

Adding to 40372422 its reverse (22427304), we get a palindrome (62799726).

The spelling of 40372422 in words is "forty million, three hundred seventy-two thousand, four hundred twenty-two".