40551440053 has 4 divisors (see below), whose sum is σ = 41122587168. Its totient is φ = 39980292940.

The previous prime is 40551440011. The next prime is 40551440077. The reversal of 40551440053 is 35004415504.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40551440053 - 2¹⁷ = 40551308981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40551439997 and 40551440024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551440453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285573451 + ... + 285573592.

It is an arithmetic number, because the mean of its divisors is an integer number (10280646792).

Almost surely, 2^40551440053 is an apocalyptic number.

It is an amenable number.

40551440053 is a deficient number, since it is larger than the sum of its proper divisors (571147115).

40551440053 is an equidigital number, since it uses as much as digits as its factorization.

40551440053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571147114.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 40551440053 its reverse (35004415504), we get a palindrome (75555855557).

The spelling of 40551440053 in words is "forty billion, five hundred fifty-one million, four hundred forty thousand, fifty-three".