3263641440 has 96 divisors (see below), whose sum is σ = 10635014880. Its totient is φ = 840290304.

The previous prime is 3263641399. The next prime is 3263641517. The reversal of 3263641440 is 441463623.

It is a tau number, because it is divible by the number of its divisors (96).

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, 103309 + ... + 131148.

It is an arithmetic number, because the mean of its divisors is an integer number (110781405).

Almost surely, 2^3263641440 is an apocalyptic number.

3263641440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3263641440 is an abundant number, since it is smaller than the sum of its proper divisors (7371373440).

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

3263641440 is a wasteful number, since it uses less digits than its factorization.

3263641440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234504 (or 234496 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 3263641440 is about 57128.2893144894. The cubic root of 3263641440 is about 1483.3175881284.

The spelling of 3263641440 in words is "three billion, two hundred sixty-three million, six hundred forty-one thousand, four hundred forty".