40122454 has 8 divisors (see below), whose sum is σ = 60211440. Its totient is φ = 20051976.

The previous prime is 40122437. The next prime is 40122461. The reversal of 40122454 is 45422104.

It is a happy number.

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

It is a super-2 number, since 2×40122454² = 3219622629964232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (7526430).

Almost surely, 2^40122454 is an apocalyptic number.

40122454 is a deficient number, since it is larger than the sum of its proper divisors (20088986).

40122454 is a wasteful number, since it uses less digits than its factorization.

40122454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40122454 is about 6334.2287612621. The cubic root of 40122454 is about 342.3438228049.

Adding to 40122454 its reverse (45422104), we get a palindrome (85544558).

The spelling of 40122454 in words is "forty million, one hundred twenty-two thousand, four hundred fifty-four".