40867630869 has 24 divisors (see below), whose sum is σ = 59120448480. Its totient is φ = 25099743552.

The previous prime is 40867630861. The next prime is 40867630871. The reversal of 40867630869 is 96803676804.

It is a happy number.

40867630869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40867630869 - 2³ = 40867630861 is a prime.

It is a super-2 number, since 2×40867630869² (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 (40867630861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178882 + ... + 337244.

It is an arithmetic number, because the mean of its divisors is an integer number (2463352020).

Almost surely, 2^40867630869 is an apocalyptic number.

It is an amenable number.

40867630869 is a deficient number, since it is larger than the sum of its proper divisors (18252817611).

40867630869 is a wasteful number, since it uses less digits than its factorization.

40867630869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158901 (or 158888 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 40867630869 in words is "forty billion, eight hundred sixty-seven million, six hundred thirty thousand, eight hundred sixty-nine".