102018444 has 24 divisors (see below), whose sum is σ = 259683648. Its totient is φ = 30914640.

The previous prime is 102018437. The next prime is 102018451. The reversal of 102018444 is 444810201.

It is an interprime number because it is at equal distance from previous prime (102018437) and next prime (102018451).

It is a super-2 number, since 2×102018444² = 20815525832362272, which contains 22 as substring.

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, 386302 + ... + 386565.

It is an arithmetic number, because the mean of its divisors is an integer number (10820152).

Almost surely, 2^102018444 is an apocalyptic number.

It is an amenable number.

102018444 is an abundant number, since it is smaller than the sum of its proper divisors (157665204).

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

102018444 is a wasteful number, since it uses less digits than its factorization.

102018444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772885 (or 772883 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 102018444 is about 10100.4180111518. The cubic root of 102018444 is about 467.2610333706.

Adding to 102018444 its reverse (444810201), we get a palindrome (546828645).

The spelling of 102018444 in words is "one hundred two million, eighteen thousand, four hundred forty-four".