3661288260 has 48 divisors (see below), whose sum is σ = 11716123776. Its totient is φ = 836865792.

The previous prime is 3661288171. The next prime is 3661288303. The reversal of 3661288260 is 628821663.

3661288260 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 (42).

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, 4358257 + ... + 4359096.

It is an arithmetic number, because the mean of its divisors is an integer number (244085912).

Almost surely, 2^3661288260 is an apocalyptic number.

3661288260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3661288260 is an abundant number, since it is smaller than the sum of its proper divisors (8054835516).

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

3661288260 is a wasteful number, since it uses less digits than its factorization.

3661288260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717372 (or 8717370 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 3661288260 is about 60508.5800527495. The cubic root of 3661288260 is about 1541.2673353577.

The spelling of 3661288260 in words is "three billion, six hundred sixty-one million, two hundred eighty-eight thousand, two hundred sixty".