4207040642 has 32 divisors (see below), whose sum is σ = 7275059712. Its totient is φ = 1787333184.

The previous prime is 4207040639. The next prime is 4207040657. The reversal of 4207040642 is 2460407024.

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, 886508 + ... + 891240.

It is an arithmetic number, because the mean of its divisors is an integer number (227345616).

Almost surely, 2^4207040642 is an apocalyptic number.

4207040642 is a deficient number, since it is larger than the sum of its proper divisors (3068019070).

4207040642 is a wasteful number, since it uses less digits than its factorization.

4207040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 4207040642 is about 64861.7039708332. The cubic root of 4207040642 is about 1614.3296961737.

Adding to 4207040642 its reverse (2460407024), we get a palindrome (6667447666).

The spelling of 4207040642 in words is "four billion, two hundred seven million, forty thousand, six hundred forty-two".