40245065544423 has 8 divisors (see below), whose sum is σ = 53819316139888. Its totient is φ = 26750429322624.

The previous prime is 40245065544319. The next prime is 40245065544449. The reversal of 40245065544423 is 32444556054204.

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 40245065544423 - 2¹² = 40245065540327 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 (40245065544473) 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, 19903592236 + ... + 19903594257.

It is an arithmetic number, because the mean of its divisors is an integer number (6727414517486).

Almost surely, 2^{40245065544423} is an apocalyptic number.

40245065544423 is a deficient number, since it is larger than the sum of its proper divisors (13574250595465).

40245065544423 is a wasteful number, since it uses less digits than its factorization.

40245065544423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39807186833.

The product of its (nonzero) digits is 9216000, while the sum is 48.

The spelling of 40245065544423 in words is "forty trillion, two hundred forty-five billion, sixty-five million, five hundred forty-four thousand, four hundred twenty-three".