3211686480 has 40 divisors (see below), whose sum is σ = 9956228832. Its totient is φ = 856449664.

The previous prime is 3211686449. The next prime is 3211686503. The reversal of 3211686480 is 846861123.

It is a tau number, because it is divible by the number of its divisors (40).

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, 6690774 + ... + 6691253.

Almost surely, 2^3211686480 is an apocalyptic number.

3211686480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3211686480 is an abundant number, since it is smaller than the sum of its proper divisors (6744542352).

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

3211686480 is a wasteful number, since it uses less digits than its factorization.

3211686480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382043 (or 13382037 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 3211686480 is about 56671.7432235854. The cubic root of 3211686480 is about 1475.4043101168.

The spelling of 3211686480 in words is "three billion, two hundred eleven million, six hundred eighty-six thousand, four hundred eighty".