40420403311 has 8 divisors (see below), whose sum is σ = 43037172720. Its totient is φ = 37830200448.

The previous prime is 40420403273. The next prime is 40420403323. The reversal of 40420403311 is 11330402404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40420403311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40420403911) 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, 6638496 + ... + 6644581.

It is an arithmetic number, because the mean of its divisors is an integer number (5379646590).

Almost surely, 2^40420403311 is an apocalyptic number.

40420403311 is a deficient number, since it is larger than the sum of its proper divisors (2616769409).

40420403311 is a wasteful number, since it uses less digits than its factorization.

40420403311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283273.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40420403311 its reverse (11330402404), we get a palindrome (51750805715).

The spelling of 40420403311 in words is "forty billion, four hundred twenty million, four hundred three thousand, three hundred eleven".