4240064642 has 16 divisors (see below), whose sum is σ = 6965294112. Its totient is φ = 1919800320.

The previous prime is 4240064629. The next prime is 4240064657. The reversal of 4240064642 is 2464600424.

It is a junction number, because it is equal to n+sod(n) for n = 4240064599 and 4240064608.

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, 369308 + ... + 380615.

It is an arithmetic number, because the mean of its divisors is an integer number (435330882).

Almost surely, 2^4240064642 is an apocalyptic number.

4240064642 is a deficient number, since it is larger than the sum of its proper divisors (2725229470).

4240064642 is a wasteful number, since it uses less digits than its factorization.

4240064642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750193.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 4240064642 is about 65115.7787483188. The cubic root of 4240064642 is about 1618.5426921313.

The spelling of 4240064642 in words is "four billion, two hundred forty million, sixty-four thousand, six hundred forty-two".