3246638540 has 24 divisors (see below), whose sum is σ = 6821025792. Its totient is φ = 1298067840.

The previous prime is 3246638501. The next prime is 3246638561. The reversal of 3246638540 is 458366423.

It is a super-4 number, since 4×3246638540⁴ (a number of 39 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10037 + ... + 81203.

It is an arithmetic number, because the mean of its divisors is an integer number (284209408).

Almost surely, 2^3246638540 is an apocalyptic number.

It is an amenable number.

3246638540 is an abundant number, since it is smaller than the sum of its proper divisors (3574387252).

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

3246638540 is a wasteful number, since it uses less digits than its factorization.

3246638540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73457 (or 73455 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 3246638540 is about 56979.2816732538. The cubic root of 3246638540 is about 1480.7371753685.

The spelling of 3246638540 in words is "three billion, two hundred forty-six million, six hundred thirty-eight thousand, five hundred forty".