36040643540 has 24 divisors (see below), whose sum is σ = 82565838432. Its totient is φ = 13105688480.

The previous prime is 36040643459. The next prime is 36040643621. The reversal of 36040643540 is 4534604063.

It is an interprime number because it is at equal distance from previous prime (36040643459) and next prime (36040643621).

It is a self number, because there is not a number n which added to its sum of digits gives 36040643540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81910334 + ... + 81910773.

It is an arithmetic number, because the mean of its divisors is an integer number (3440243268).

Almost surely, 2^36040643540 is an apocalyptic number.

It is an amenable number.

36040643540 is an abundant number, since it is smaller than the sum of its proper divisors (46525194892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36040643540 is a wasteful number, since it uses less digits than its factorization.

36040643540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163821127 (or 163821125 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 36040643540 in words is "thirty-six billion, forty million, six hundred forty-three thousand, five hundred forty".