40554455 has 8 divisors (see below), whose sum is σ = 51226800. Its totient is φ = 30735936.

The previous prime is 40554427. The next prime is 40554463. The reversal of 40554455 is 55445504.

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 40554455 - 2¹⁶ = 40488919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213350 + ... + 213539.

It is an arithmetic number, because the mean of its divisors is an integer number (6403350).

Almost surely, 2^40554455 is an apocalyptic number.

40554455 is a deficient number, since it is larger than the sum of its proper divisors (10672345).

40554455 is a wasteful number, since it uses less digits than its factorization.

40554455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426913.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 40554455 is about 6368.2379823622. The cubic root of 40554455 is about 343.5681184373.

Adding to 40554455 its reverse (55445504), we get a palindrome (95999959).

The spelling of 40554455 in words is "forty million, five hundred fifty-four thousand, four hundred fifty-five".