40424455 has 8 divisors (see below), whose sum is σ = 50618592. Its totient is φ = 30933408.

The previous prime is 40424441. The next prime is 40424467. The reversal of 40424455 is 55442404.

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 40424455 - 2⁷ = 40424327 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 175644 + ... + 175873.

It is an arithmetic number, because the mean of its divisors is an integer number (6327324).

Almost surely, 2^40424455 is an apocalyptic number.

40424455 is a deficient number, since it is larger than the sum of its proper divisors (10194137).

40424455 is a wasteful number, since it uses less digits than its factorization.

40424455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351545.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 40424455 is about 6358.0228845137. The cubic root of 40424455 is about 343.2006153283.

Adding to 40424455 its reverse (55442404), we get a palindrome (95866859).

The spelling of 40424455 in words is "forty million, four hundred twenty-four thousand, four hundred fifty-five".