40402033011 has 20 divisors (see below), whose sum is σ = 61180425592. Its totient is φ = 26565716448.

The previous prime is 40402032971. The next prime is 40402033019. The reversal of 40402033011 is 11033020404.

It is not a de Polignac number, because 40402033011 - 2⁷ = 40402032883 is a prime.

It is a super-2 number, since 2×40402033011² (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 (40402033019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3410461 + ... + 3422286.

Almost surely, 2^40402033011 is an apocalyptic number.

40402033011 is a deficient number, since it is larger than the sum of its proper divisors (20778392581).

40402033011 is an equidigital number, since it uses as much as digits as its factorization.

40402033011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832832 (or 6832823 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40402033011 its reverse (11033020404), we get a palindrome (51435053415).

The spelling of 40402033011 in words is "forty billion, four hundred two million, thirty-three thousand, eleven".