40243572554303 has 4 divisors (see below), whose sum is σ = 40372146268848. Its totient is φ = 40114998839760.

The previous prime is 40243572554279. The next prime is 40243572554351. The reversal of 40243572554303 is 30345527534204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40243572554303 - 2³⁰ = 40242498812479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243572554363) 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, 64286856803 + ... + 64286857428.

It is an arithmetic number, because the mean of its divisors is an integer number (10093036567212).

Almost surely, 2^{40243572554303} is an apocalyptic number.

40243572554303 is a deficient number, since it is larger than the sum of its proper divisors (128573714545).

40243572554303 is a wasteful number, since it uses less digits than its factorization.

40243572554303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128573714544.

The product of its (nonzero) digits is 6048000, while the sum is 47.

The spelling of 40243572554303 in words is "forty trillion, two hundred forty-three billion, five hundred seventy-two million, five hundred fifty-four thousand, three hundred three".