118444490 has 32 divisors (see below), whose sum is σ = 225469440. Its totient is φ = 44726400.

The previous prime is 118444481. The next prime is 118444507. The reversal of 118444490 is 94444811.

It is a super-2 number, since 2×118444490² = 28058194422720200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118444490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8051 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (7045920).

Almost surely, 2^118444490 is an apocalyptic number.

118444490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118444490 is a deficient number, since it is larger than the sum of its proper divisors (107024950).

118444490 is a wasteful number, since it uses less digits than its factorization.

118444490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 118444490 is about 10883.2205711361. The cubic root of 118444490 is about 491.1019072452.

The spelling of 118444490 in words is "one hundred eighteen million, four hundred forty-four thousand, four hundred ninety".