40052144745 has 24 divisors (see below), whose sum is σ = 69470646336. Its totient is φ = 21346704288.

The previous prime is 40052144707. The next prime is 40052144807. The reversal of 40052144745 is 54744125004.

40052144745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40052144745 - 2²¹ = 40050047593 is a prime.

It is a super-2 number, since 2×40052144745² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233349 + ... + 366818.

It is an arithmetic number, because the mean of its divisors is an integer number (2894610264).

Almost surely, 2^40052144745 is an apocalyptic number.

40052144745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40052144745 is a deficient number, since it is larger than the sum of its proper divisors (29418501591).

40052144745 is a wasteful number, since it uses less digits than its factorization.

40052144745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601661 (or 601658 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

Adding to 40052144745 its reverse (54744125004), we get a palindrome (94796269749).

The spelling of 40052144745 in words is "forty billion, fifty-two million, one hundred forty-four thousand, seven hundred forty-five".