40143889036 has 12 divisors (see below), whose sum is σ = 70253241520. Its totient is φ = 20071534320.

The previous prime is 40143889033. The next prime is 40143889039. The reversal of 40143889036 is 63098834104.

It is an interprime number because it is at equal distance from previous prime (40143889033) and next prime (40143889039).

It is a super-2 number, since 2×40143889036² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40143889033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260281 + ... + 384751.

Almost surely, 2^40143889036 is an apocalyptic number.

It is an amenable number.

40143889036 is a deficient number, since it is larger than the sum of its proper divisors (30109352484).

40143889036 is a wasteful number, since it uses less digits than its factorization.

40143889036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205104 (or 205102 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 40143889036 in words is "forty billion, one hundred forty-three million, eight hundred eighty-nine thousand, thirty-six".