3870640223464 has 64 divisors (see below), whose sum is σ = 8659473949440. Its totient is φ = 1585873935360.

The previous prime is 3870640223453. The next prime is 3870640223473. The reversal of 3870640223464 is 4643220460783.

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, 1610194 + ... + 3214654.

It is an arithmetic number, because the mean of its divisors is an integer number (135304280460).

Almost surely, 2^{3870640223464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3870640223464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4329736974720).

3870640223464 is an abundant number, since it is smaller than the sum of its proper divisors (4788833725976).

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

3870640223464 is a wasteful number, since it uses less digits than its factorization.

3870640223464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606370 (or 1606366 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 3870640223464 in words is "three trillion, eight hundred seventy billion, six hundred forty million, two hundred twenty-three thousand, four hundred sixty-four".