40043253051 has 6 divisors (see below), whose sum is σ = 57840254420. Its totient is φ = 26695502028.

The previous prime is 40043252993. The next prime is 40043253053. The reversal of 40043253051 is 15035234004.

40043253051 is a `hidden beast` number, since 40 + 0 + 43 + 2 + 530 + 51 = 666.

40043253051 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 40043253051 - 2²¹ = 40041155899 is a prime.

It is a super-2 number, since 2×40043253051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40043253053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2224625161 + ... + 2224625178.

Almost surely, 2^40043253051 is an apocalyptic number.

40043253051 is a deficient number, since it is larger than the sum of its proper divisors (17797001369).

40043253051 is a wasteful number, since it uses less digits than its factorization.

40043253051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449250345 (or 4449250342 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 40043253051 its reverse (15035234004), we get a palindrome (55078487055).

The spelling of 40043253051 in words is "forty billion, forty-three million, two hundred fifty-three thousand, fifty-one".