40243555250553 has 8 divisors (see below), whose sum is σ = 53701034500000. Its totient is φ = 26807556417408.

The previous prime is 40243555250413. The next prime is 40243555250557. The reversal of 40243555250553 is 35505255534204.

It is a happy number.

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

It is not a de Polignac number, because 40243555250553 - 2²⁴ = 40243538473337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40243555250557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5370099703 + ... + 5370107196.

It is an arithmetic number, because the mean of its divisors is an integer number (6712629312500).

Almost surely, 2^{40243555250553} is an apocalyptic number.

It is an amenable number.

40243555250553 is a deficient number, since it is larger than the sum of its proper divisors (13457479249447).

40243555250553 is a wasteful number, since it uses less digits than its factorization.

40243555250553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10740208151.

The product of its (nonzero) digits is 9000000, while the sum is 48.

The spelling of 40243555250553 in words is "forty trillion, two hundred forty-three billion, five hundred fifty-five million, two hundred fifty thousand, five hundred fifty-three".