3236645040 has 80 divisors (see below), whose sum is σ = 10042714368. Its totient is φ = 862321408.

The previous prime is 3236645039. The next prime is 3236645051. The reversal of 3236645040 is 405466323.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3236645040² = 20951742229913203200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3236644992 and 3236645010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288007 + ... + 299033.

Almost surely, 2^3236645040 is an apocalyptic number.

3236645040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3236645040 is an abundant number, since it is smaller than the sum of its proper divisors (6806069328).

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

3236645040 is a wasteful number, since it uses less digits than its factorization.

3236645040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266 (or 12260 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 3236645040 is about 56891.5199304782. The cubic root of 3236645040 is about 1479.2163248219.

The spelling of 3236645040 in words is "three billion, two hundred thirty-six million, six hundred forty-five thousand, forty".