40361857869 has 16 divisors (see below), whose sum is σ = 54501111360. Its totient is φ = 26566151040.

The previous prime is 40361857849. The next prime is 40361857961. The reversal of 40361857869 is 96875816304.

It is not a de Polignac number, because 40361857869 - 2⁹ = 40361857357 is a prime.

It is a super-2 number, since 2×40361857869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361857849) 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, 69114 + ... + 292404.

It is an arithmetic number, because the mean of its divisors is an integer number (3406319460).

Almost surely, 2^40361857869 is an apocalyptic number.

It is an amenable number.

40361857869 is a deficient number, since it is larger than the sum of its proper divisors (14139253491).

40361857869 is a wasteful number, since it uses less digits than its factorization.

40361857869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224060.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 40361857869 in words is "forty billion, three hundred sixty-one million, eight hundred fifty-seven thousand, eight hundred sixty-nine".