4200040644238 has 16 divisors (see below), whose sum is σ = 6310223516880. Its totient is φ = 2096634865536.

The previous prime is 4200040644227. The next prime is 4200040644353. The reversal of 4200040644238 is 8324460400024.

It is a junction number, because it is equal to n+sod(n) for n = 4200040644197 and 4200040644206.

It is a congruent number.

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, 3576870 + ... + 4603702.

It is an arithmetic number, because the mean of its divisors is an integer number (394388969805).

Almost surely, 2^{4200040644238} is an apocalyptic number.

4200040644238 is a deficient number, since it is larger than the sum of its proper divisors (2110182872642).

4200040644238 is a wasteful number, since it uses less digits than its factorization.

4200040644238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030131.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 4200040644238 in words is "four trillion, two hundred billion, forty million, six hundred forty-four thousand, two hundred thirty-eight".