6636050040 has 64 divisors (see below), whose sum is σ = 20131869600. Its totient is φ = 1749727232.

The previous prime is 6636050027. The next prime is 6636050051. The reversal of 6636050040 is 400506366.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299997 + ... + 321356.

Almost surely, 2^6636050040 is an apocalyptic number.

6636050040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6636050040 is an abundant number, since it is smaller than the sum of its proper divisors (13495819560).

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

6636050040 is a wasteful number, since it uses less digits than its factorization.

6636050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621456 (or 621452 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6636050040 is about 81461.9545554856. The cubic root of 6636050040 is about 1879.1865010654.

The spelling of 6636050040 in words is "six billion, six hundred thirty-six million, fifty thousand, forty".