40880720553 has 4 divisors (see below), whose sum is σ = 54507627408. Its totient is φ = 27253813700.

The previous prime is 40880720527. The next prime is 40880720561. The reversal of 40880720553 is 35502708804.

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 40880720553 - 2²⁸ = 40612285097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40880720593) 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, 6813453423 + ... + 6813453428.

It is an arithmetic number, because the mean of its divisors is an integer number (13626906852).

Almost surely, 2^40880720553 is an apocalyptic number.

It is an amenable number.

40880720553 is a deficient number, since it is larger than the sum of its proper divisors (13626906855).

40880720553 is a wasteful number, since it uses less digits than its factorization.

40880720553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13626906854.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 40880720553 in words is "forty billion, eight hundred eighty million, seven hundred twenty thousand, five hundred fifty-three".