3285263931840 has 448 divisors, whose sum is σ = 13387017899520. Its totient is φ = 749578567680.

The previous prime is 3285263931799. The next prime is 3285263931881. The reversal of 3285263931840 is 481393625823.

3285263931840 is a `hidden beast` number, since 3 + 2 + 8 + 526 + 3 + 9 + 31 + 84 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3285263931799) and next prime (3285263931881).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 598999 + ... + 2632361.

Almost surely, 2^{3285263931840} is an apocalyptic number.

3285263931840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3285263931840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6693508949760).

3285263931840 is an abundant number, since it is smaller than the sum of its proper divisors (10101753967680).

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

3285263931840 is a wasteful number, since it uses less digits than its factorization.

3285263931840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033417 (or 2033401 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 3285263931840 in words is "three trillion, two hundred eighty-five billion, two hundred sixty-three million, nine hundred thirty-one thousand, eight hundred forty".