3810638420402 has 16 divisors (see below), whose sum is σ = 6239470468032. Its totient is φ = 1731030504720.

The previous prime is 3810638420399. The next prime is 3810638420441. The reversal of 3810638420402 is 2040248360183.

It is a self number, because there is not a number n which added to its sum of digits gives 3810638420402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53857253 + ... + 53927960.

It is an arithmetic number, because the mean of its divisors is an integer number (389966904252).

Almost surely, 2^{3810638420402} is an apocalyptic number.

3810638420402 is a deficient number, since it is larger than the sum of its proper divisors (2428832047630).

3810638420402 is a wasteful number, since it uses less digits than its factorization.

3810638420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107786833.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 3810638420402 in words is "three trillion, eight hundred ten billion, six hundred thirty-eight million, four hundred twenty thousand, four hundred two".