40432735867 has 8 divisors (see below), whose sum is σ = 41018533920. Its totient is φ = 39849860160.

The previous prime is 40432735841. The next prime is 40432735901. The reversal of 40432735867 is 76853723404.

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-40432735867 is a prime.

It is a super-2 number, since 2×40432735867² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40432735867.

It is not an unprimeable number, because it can be changed into a prime (40432730867) 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, 702708 + ... + 758065.

It is an arithmetic number, because the mean of its divisors is an integer number (5127316740).

Almost surely, 2^40432735867 is an apocalyptic number.

40432735867 is a deficient number, since it is larger than the sum of its proper divisors (585798053).

40432735867 is a wasteful number, since it uses less digits than its factorization.

40432735867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461173.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 40432735867 in words is "forty billion, four hundred thirty-two million, seven hundred thirty-five thousand, eight hundred sixty-seven".