2102642446 has 8 divisors (see below), whose sum is σ = 3154393440. Its totient is φ = 1051177968.

The previous prime is 2102642417. The next prime is 2102642449. The reversal of 2102642446 is 6442462012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2102642446² = 8842210511441725832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102642449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52231 + ... + 83266.

It is an arithmetic number, because the mean of its divisors is an integer number (394299180).

Almost surely, 2^2102642446 is an apocalyptic number.

2102642446 is a deficient number, since it is larger than the sum of its proper divisors (1051750994).

2102642446 is a wasteful number, since it uses less digits than its factorization.

2102642446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143258.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2102642446 is about 45854.5793351111. The cubic root of 2102642446 is about 1281.1160606971.

The spelling of 2102642446 in words is "two billion, one hundred two million, six hundred forty-two thousand, four hundred forty-six".