40345205140454 has 16 divisors (see below), whose sum is σ = 62154047222016. Its totient is φ = 19627200331200.

The previous prime is 40345205140453. The next prime is 40345205140549. The reversal of 40345205140454 is 45404150254304.

It is a super-3 number, since 3×40345205140454³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345205140453) 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, 4839419 + ... + 10203449.

It is an arithmetic number, because the mean of its divisors is an integer number (3884627951376).

Almost surely, 2^{40345205140454} is an apocalyptic number.

40345205140454 is a deficient number, since it is larger than the sum of its proper divisors (21808842081562).

40345205140454 is a wasteful number, since it uses less digits than its factorization.

40345205140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465711.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 40345205140454 its reverse (45404150254304), we get a palindrome (85749355394758).

The spelling of 40345205140454 in words is "forty trillion, three hundred forty-five billion, two hundred five million, one hundred forty thousand, four hundred fifty-four".