36401043556 has 12 divisors (see below), whose sum is σ = 65423497468. Its totient is φ = 17708615712.

The previous prime is 36401043509. The next prime is 36401043557. The reversal of 36401043556 is 65534010463.

36401043556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23827009600 + 12574033956 = 154360^2 + 112134^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (36401043557) 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, 122976351 + ... + 122976646.

Almost surely, 2^36401043556 is an apocalyptic number.

It is an amenable number.

36401043556 is a deficient number, since it is larger than the sum of its proper divisors (29022453912).

36401043556 is a wasteful number, since it uses less digits than its factorization.

36401043556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245953038 (or 245953036 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 36401043556 in words is "thirty-six billion, four hundred one million, forty-three thousand, five hundred fifty-six".