3261010040 has 32 divisors (see below), whose sum is σ = 7768878480. Its totient is φ = 1227674112.

The previous prime is 3261010031. The next prime is 3261010061. The reversal of 3261010040 is 400101623.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397122 + ... + 2398481.

Almost surely, 2^3261010040 is an apocalyptic number.

It is an amenable number.

3261010040 is an abundant number, since it is smaller than the sum of its proper divisors (4507868440).

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

3261010040 is a wasteful number, since it uses less digits than its factorization.

3261010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795631 (or 4795627 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3261010040 is about 57105.2540489927. The cubic root of 3261010040 is about 1482.9188258395.

Adding to 3261010040 its reverse (400101623), we get a palindrome (3661111663).

The spelling of 3261010040 in words is "three billion, two hundred sixty-one million, ten thousand, forty".