3258137856 has 144 divisors (see below), whose sum is σ = 9334277568. Its totient is φ = 1005158400.

The previous prime is 3258137843. The next prime is 3258137867. The reversal of 3258137856 is 6587318523.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 794371 + ... + 798461.

It is an arithmetic number, because the mean of its divisors is an integer number (64821372).

Almost surely, 2^3258137856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3258137856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4667138784).

3258137856 is an abundant number, since it is smaller than the sum of its proper divisors (6076139712).

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

3258137856 is a wasteful number, since it uses less digits than its factorization.

3258137856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4174 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 3258137856 is about 57080.1003502972. The cubic root of 3258137856 is about 1482.4833302168.

The spelling of 3258137856 in words is "three billion, two hundred fifty-eight million, one hundred thirty-seven thousand, eight hundred fifty-six".