40043253011 has 8 divisors (see below), whose sum is σ = 40379385984. Its totient is φ = 39708518400.

The previous prime is 40043252993. The next prime is 40043253053. The reversal of 40043253011 is 11035234004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40043253011 - 2²² = 40039058707 is a prime.

It is a super-2 number, since 2×40043253011² (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 (40043253091) 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, 292040 + ... + 406661.

It is an arithmetic number, because the mean of its divisors is an integer number (5047423248).

Almost surely, 2^40043253011 is an apocalyptic number.

40043253011 is a deficient number, since it is larger than the sum of its proper divisors (336132973).

40043253011 is a wasteful number, since it uses less digits than its factorization.

40043253011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699181.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40043253011 its reverse (11035234004), we get a palindrome (51078487015).

The spelling of 40043253011 in words is "forty billion, forty-three million, two hundred fifty-three thousand, eleven".