40122431 has 8 divisors (see below), whose sum is σ = 43285104. Its totient is φ = 37048960.

The previous prime is 40122413. The next prime is 40122437. The reversal of 40122431 is 13422104.

40122431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40122431 - 2¹⁴ = 40106047 is a prime.

It is a super-2 number, since 2×40122431² = 3219618938699522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21365 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (5410638).

Almost surely, 2^40122431 is an apocalyptic number.

40122431 is a deficient number, since it is larger than the sum of its proper divisors (3162673).

40122431 is a wasteful number, since it uses less digits than its factorization.

40122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44601.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40122431 is about 6334.2269457291. The cubic root of 40122431 is about 342.3437573893.

Adding to 40122431 its reverse (13422104), we get a palindrome (53544535).

The spelling of 40122431 in words is "forty million, one hundred twenty-two thousand, four hundred thirty-one".