3275907840 has 144 divisors (see below), whose sum is σ = 11625045600. Its totient is φ = 873566208.

The previous prime is 3275907823. The next prime is 3275907841. The reversal of 3275907840 is 487095723.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3275907841) 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, 12835 + ... + 81954.

Almost surely, 2^3275907840 is an apocalyptic number.

3275907840 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 3275907840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5812522800).

3275907840 is an abundant number, since it is smaller than the sum of its proper divisors (8349137760).

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

3275907840 is an equidigital number, since it uses as much as digits as its factorization.

3275907840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94819 (or 94799 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3275907840 is about 57235.5469965999. The cubic root of 3275907840 is about 1485.1736150448.

The spelling of 3275907840 in words is "three billion, two hundred seventy-five million, nine hundred seven thousand, eight hundred forty".