40122455 has 8 divisors (see below), whose sum is σ = 48825504. Its totient is φ = 31645600.

The previous prime is 40122437. The next prime is 40122461. The reversal of 40122455 is 55422104.

It is a happy number.

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

It is not a de Polignac number, because 40122455 - 2⁶ = 40122391 is a prime.

It is a super-2 number, since 2×40122455² = 3219622790454050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40122455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56156 + ... + 56865.

It is an arithmetic number, because the mean of its divisors is an integer number (6103188).

Almost surely, 2^40122455 is an apocalyptic number.

40122455 is a deficient number, since it is larger than the sum of its proper divisors (8703049).

40122455 is a wasteful number, since it uses less digits than its factorization.

40122455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113097.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40122455 is about 6334.2288401983. The cubic root of 40122455 is about 342.3438256491.

Adding to 40122455 its reverse (55422104), we get a palindrome (95544559).

The spelling of 40122455 in words is "forty million, one hundred twenty-two thousand, four hundred fifty-five".