40400481239 has 4 divisors (see below), whose sum is σ = 40411685424. Its totient is φ = 40389277056.

The previous prime is 40400481197. The next prime is 40400481241. The reversal of 40400481239 is 93218400404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40400481239 - 2⁸ = 40400480983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40400481199 and 40400481208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400483239) 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 3 ways as a sum of consecutive naturals, for example, 5596682 + ... + 5603895.

It is an arithmetic number, because the mean of its divisors is an integer number (10102921356).

Almost surely, 2^40400481239 is an apocalyptic number.

40400481239 is a deficient number, since it is larger than the sum of its proper divisors (11204185).

40400481239 is a wasteful number, since it uses less digits than its factorization.

40400481239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204184.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 40400481239 in words is "forty billion, four hundred million, four hundred eighty-one thousand, two hundred thirty-nine".