40440053455 has 8 divisors (see below), whose sum is σ = 49192832592. Its totient is φ = 31908863808.

The previous prime is 40440053389. The next prime is 40440053513. The reversal of 40440053455 is 55435004404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40440053455 is a prime.

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 40440053455.

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, 55396969 + ... + 55397698.

It is an arithmetic number, because the mean of its divisors is an integer number (6149104074).

Almost surely, 2^40440053455 is an apocalyptic number.

40440053455 is a deficient number, since it is larger than the sum of its proper divisors (8752779137).

40440053455 is a wasteful number, since it uses less digits than its factorization.

40440053455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110794745.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 40440053455 its reverse (55435004404), we get a palindrome (95875057859).

The spelling of 40440053455 in words is "forty billion, four hundred forty million, fifty-three thousand, four hundred fifty-five".