40242866349 has 32 divisors (see below), whose sum is σ = 63332417536. Its totient is φ = 22242936960.

The previous prime is 40242866311. The next prime is 40242866383. The reversal of 40242866349 is 94366824204.

It is not a de Polignac number, because 40242866349 - 2¹³ = 40242858157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40242866298 and 40242866307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242866149) 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 31 ways as a sum of consecutive naturals, for example, 1376724 + ... + 1405650.

It is an arithmetic number, because the mean of its divisors is an integer number (1979138048).

Almost surely, 2^40242866349 is an apocalyptic number.

It is an amenable number.

40242866349 is a deficient number, since it is larger than the sum of its proper divisors (23089551187).

40242866349 is a wasteful number, since it uses less digits than its factorization.

40242866349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31105.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 40242866349 in words is "forty billion, two hundred forty-two million, eight hundred sixty-six thousand, three hundred forty-nine".