2102450432 has 18 divisors (see below), whose sum is σ = 4196688678. Its totient is φ = 1051225088.

The previous prime is 2102450393. The next prime is 2102450479. The reversal of 2102450432 is 2340542012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2099838976 + 2611456 = 45824^2 + 1616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102450398 and 2102450407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106093 + ... + 4106604.

It is an arithmetic number, because the mean of its divisors is an integer number (233149371).

Almost surely, 2^2102450432 is an apocalyptic number.

It is an amenable number.

2102450432 is a deficient number, since it is larger than the sum of its proper divisors (2094238246).

2102450432 is an frugal number, since it uses more digits than its factorization.

2102450432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212713 (or 8212699 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2102450432 is about 45852.4855596728. The cubic root of 2102450432 is about 1281.0770621966.

Adding to 2102450432 its reverse (2340542012), we get a palindrome (4442992444).

The spelling of 2102450432 in words is "two billion, one hundred two million, four hundred fifty thousand, four hundred thirty-two".