3645286402 has 16 divisors (see below), whose sum is σ = 5547215232. Its totient is φ = 1796235840.

The previous prime is 3645286391. The next prime is 3645286433. The reversal of 3645286402 is 2046825463.

It is a super-2 number, since 2×3645286402² = 26576225905212211208, 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, 542938 + ... + 549610.

It is an arithmetic number, because the mean of its divisors is an integer number (346700952).

Almost surely, 2^3645286402 is an apocalyptic number.

3645286402 is a deficient number, since it is larger than the sum of its proper divisors (1901928830).

3645286402 is a wasteful number, since it uses less digits than its factorization.

3645286402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 3645286402 is about 60376.2072508699. The cubic root of 3645286402 is about 1539.0186588160.

The spelling of 3645286402 in words is "three billion, six hundred forty-five million, two hundred eighty-six thousand, four hundred two".