3200354651256 has 128 divisors (see below), whose sum is σ = 9205513920000. Its totient is φ = 908234445312.

The previous prime is 3200354651251. The next prime is 3200354651287. The reversal of 3200354651256 is 6521564530023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200354651251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26312470 + ... + 26433818.

It is an arithmetic number, because the mean of its divisors is an integer number (71918077500).

Almost surely, 2^{3200354651256} 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 3200354651256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4602756960000).

3200354651256 is an abundant number, since it is smaller than the sum of its proper divisors (6005159268744).

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

3200354651256 is a wasteful number, since it uses less digits than its factorization.

3200354651256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122421 (or 122417 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 3200354651256 in words is "three trillion, two hundred billion, three hundred fifty-four million, six hundred fifty-one thousand, two hundred fifty-six".