3261463320 has 64 divisors (see below), whose sum is σ = 9820592640. Its totient is φ = 866505600.

The previous prime is 3261463199. The next prime is 3261463327. The reversal of 3261463320 is 233641623.

3261463320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261463327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17626 + ... + 82665.

It is an arithmetic number, because the mean of its divisors is an integer number (153446760).

Almost surely, 2^3261463320 is an apocalyptic number.

3261463320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3261463320 is an abundant number, since it is smaller than the sum of its proper divisors (6559129320).

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

3261463320 is a wasteful number, since it uses less digits than its factorization.

3261463320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100576 (or 100572 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 3261463320 is about 57109.2227227792. Note that the first 3 decimals coincide. The cubic root of 3261463320 is about 1482.9875311685.

The spelling of 3261463320 in words is "three billion, two hundred sixty-one million, four hundred sixty-three thousand, three hundred twenty".