102304040 has 16 divisors (see below), whose sum is σ = 230184180. Its totient is φ = 40921600.

The previous prime is 102304039. The next prime is 102304051. The reversal of 102304040 is 40403201.

It can be written as a sum of positive squares in 2 ways, for example, as 97732996 + 4571044 = 9886^2 + 2138^2 .

It is a super-2 number, since 2×102304040² = 20932233200643200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278761 + ... + 1278840.

Almost surely, 2^102304040 is an apocalyptic number.

102304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102304040 is an abundant number, since it is smaller than the sum of its proper divisors (127880140).

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

102304040 is a wasteful number, since it uses less digits than its factorization.

102304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557612 (or 2557608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102304040 is about 10114.5459611393. The cubic root of 102304040 is about 467.6966524707.

Adding to 102304040 its reverse (40403201), we get a palindrome (142707241).

The spelling of 102304040 in words is "one hundred two million, three hundred four thousand, forty".