40253204553 has 32 divisors (see below), whose sum is σ = 55245392640. Its totient is φ = 26060590080.

The previous prime is 40253204549. The next prime is 40253204581. The reversal of 40253204553 is 35540235204.

It is a happy number.

It is not a de Polignac number, because 40253204553 - 2² = 40253204549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40253214553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17553675 + ... + 17555967.

It is an arithmetic number, because the mean of its divisors is an integer number (1726418520).

Almost surely, 2^40253204553 is an apocalyptic number.

It is an amenable number.

40253204553 is a deficient number, since it is larger than the sum of its proper divisors (14992188087).

40253204553 is a wasteful number, since it uses less digits than its factorization.

40253204553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 40253204553 its reverse (35540235204), we get a palindrome (75793439757).

The spelling of 40253204553 in words is "forty billion, two hundred fifty-three million, two hundred four thousand, five hundred fifty-three".