40042124311 has 16 divisors (see below), whose sum is σ = 46036576768. Its totient is φ = 34116616800.

The previous prime is 40042124279. The next prime is 40042124329. The reversal of 40042124311 is 11342124004.

It is a happy number.

It is not a de Polignac number, because 40042124311 - 2⁵ = 40042124279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042154311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199101 + ... + 1232041.

It is an arithmetic number, because the mean of its divisors is an integer number (2877286048).

Almost surely, 2^40042124311 is an apocalyptic number.

40042124311 is a deficient number, since it is larger than the sum of its proper divisors (5994452457).

40042124311 is a wasteful number, since it uses less digits than its factorization.

40042124311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33982.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40042124311 its reverse (11342124004), we get a palindrome (51384248315).

The spelling of 40042124311 in words is "forty billion, forty-two million, one hundred twenty-four thousand, three hundred eleven".