918156044 has 36 divisors (see below), whose sum is σ = 1815556176. Its totient is φ = 405332928.

The previous prime is 918156013. The next prime is 918156049. The reversal of 918156044 is 440651819.

It is a super-2 number, since 2×918156044² = 1686021042267459872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 918155989 and 918156007.

It is not an unprimeable number, because it can be changed into a prime (918156049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13979 + ... + 45074.

It is an arithmetic number, because the mean of its divisors is an integer number (50432116).

Almost surely, 2^918156044 is an apocalyptic number.

It is an amenable number.

918156044 is a deficient number, since it is larger than the sum of its proper divisors (897400132).

918156044 is a wasteful number, since it uses less digits than its factorization.

918156044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59106 (or 59091 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 918156044 is about 30301.0898153845. The cubic root of 918156044 is about 971.9386050176.

The spelling of 918156044 in words is "nine hundred eighteen million, one hundred fifty-six thousand, forty-four".