40402135011 has 8 divisors (see below), whose sum is σ = 61565158144. Its totient is φ = 23086934280.

The previous prime is 40402134979. The next prime is 40402135019. The reversal of 40402135011 is 11053120404.

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

It is not a de Polignac number, because 40402135011 - 2⁵ = 40402134979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1923911191 = 40402135011 / (4 + 0 + 4 + 0 + 2 + 1 + 3 + 5 + 0 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (40402135019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961955575 + ... + 961955616.

It is an arithmetic number, because the mean of its divisors is an integer number (7695644768).

Almost surely, 2^40402135011 is an apocalyptic number.

40402135011 is a deficient number, since it is larger than the sum of its proper divisors (21163023133).

40402135011 is a wasteful number, since it uses less digits than its factorization.

40402135011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923911201.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 40402135011 its reverse (11053120404), we get a palindrome (51455255415).

The spelling of 40402135011 in words is "forty billion, four hundred two million, one hundred thirty-five thousand, eleven".