4636878040 has 16 divisors (see below), whose sum is σ = 10432975680. Its totient is φ = 1854751200.

The previous prime is 4636878023. The next prime is 4636878053. The reversal of 4636878040 is 408786364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57960936 + ... + 57961015.

It is an arithmetic number, because the mean of its divisors is an integer number (652060980).

Almost surely, 2^4636878040 is an apocalyptic number.

4636878040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4636878040 is an abundant number, since it is smaller than the sum of its proper divisors (5796097640).

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

4636878040 is a wasteful number, since it uses less digits than its factorization.

4636878040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115921962 (or 115921958 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 4636878040 is about 68094.6256322773. The cubic root of 4636878040 is about 1667.5360223647.

The spelling of 4636878040 in words is "four billion, six hundred thirty-six million, eight hundred seventy-eight thousand, forty".