4638040854 has 12 divisors (see below), whose sum is σ = 9276415356. Its totient is φ = 1545958012.

The previous prime is 4638040853. The next prime is 4638040867. The reversal of 4638040854 is 4580408364.

It is a super-2 number, since 2×4638040854² = 43022845926746098632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638040853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152917 + ... + 180719.

It is an arithmetic number, because the mean of its divisors is an integer number (773034613).

Almost surely, 2^4638040854 is an apocalyptic number.

4638040854 is an abundant number, since it is smaller than the sum of its proper divisors (4638374502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4638040854 is an frugal number, since it uses more digits than its factorization.

4638040854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611 (or 27808 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 4638040854 is about 68103.1633186007. The cubic root of 4638040854 is about 1667.6754029386.

The spelling of 4638040854 in words is "four billion, six hundred thirty-eight million, forty thousand, eight hundred fifty-four".