4042456654 has 4 divisors (see below), whose sum is σ = 6063684984. Its totient is φ = 2021228326.

The previous prime is 4042456643. The next prime is 4042456679. The reversal of 4042456654 is 4566542404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010614162 + ... + 1010614165.

It is an arithmetic number, because the mean of its divisors is an integer number (1515921246).

Almost surely, 2^4042456654 is an apocalyptic number.

4042456654 is a deficient number, since it is larger than the sum of its proper divisors (2021228330).

4042456654 is a wasteful number, since it uses less digits than its factorization.

4042456654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021228329.

The product of its (nonzero) digits is 460800, while the sum is 40.

The square root of 4042456654 is about 63580.3165610238. The cubic root of 4042456654 is about 1592.9976089381.

The spelling of 4042456654 in words is "four billion, forty-two million, four hundred fifty-six thousand, six hundred fifty-four".