3640506298 has 32 divisors (see below), whose sum is σ = 6424629120. Its totient is φ = 1525296960.

The previous prime is 3640506283. The next prime is 3640506319. The reversal of 3640506298 is 8926050463.

It is a super-2 number, since 2×3640506298² = 26506572211555329608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199168 + ... + 216676.

It is an arithmetic number, because the mean of its divisors is an integer number (200769660).

Almost surely, 2^3640506298 is an apocalyptic number.

3640506298 is a deficient number, since it is larger than the sum of its proper divisors (2784122822).

3640506298 is a wasteful number, since it uses less digits than its factorization.

3640506298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18262.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 3640506298 is about 60336.6082739161. The cubic root of 3640506298 is about 1538.3456538806.

The spelling of 3640506298 in words is "three billion, six hundred forty million, five hundred six thousand, two hundred ninety-eight".