3420040644464 has 40 divisors (see below), whose sum is σ = 6874577699760. Its totient is φ = 1646295945728.

The previous prime is 3420040644437. The next prime is 3420040644469. The reversal of 3420040644464 is 4644460400243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420040644469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10459709 + ... + 10781724.

It is an arithmetic number, because the mean of its divisors is an integer number (171864442494).

Almost surely, 2^{3420040644464} is an apocalyptic number.

It is an amenable number.

3420040644464 is an abundant number, since it is smaller than the sum of its proper divisors (3454537055296).

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

3420040644464 is a wasteful number, since it uses less digits than its factorization.

3420040644464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21241817 (or 21241811 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 41.

The spelling of 3420040644464 in words is "three trillion, four hundred twenty billion, forty million, six hundred forty-four thousand, four hundred sixty-four".