4156442654 has 64 divisors (see below), whose sum is σ = 8024002560. Its totient is φ = 1569490560.

The previous prime is 4156442617. The next prime is 4156442669. The reversal of 4156442654 is 4562446514.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3009044 + ... + 3010424.

It is an arithmetic number, because the mean of its divisors is an integer number (125375040).

Almost surely, 2^4156442654 is an apocalyptic number.

4156442654 is a deficient number, since it is larger than the sum of its proper divisors (3867559906).

4156442654 is a wasteful number, since it uses less digits than its factorization.

4156442654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145.

The product of its digits is 460800, while the sum is 41.

The square root of 4156442654 is about 64470.4789341602. The cubic root of 4156442654 is about 1607.8317396008.

The spelling of 4156442654 in words is "four billion, one hundred fifty-six million, four hundred forty-two thousand, six hundred fifty-four".