6401674452 has 12 divisors (see below), whose sum is σ = 14937240416. Its totient is φ = 2133891480.

The previous prime is 6401674451. The next prime is 6401674471. The reversal of 6401674452 is 2544761046.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 6401674452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401674451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266736424 + ... + 266736447.

Almost surely, 2^6401674452 is an apocalyptic number.

It is an amenable number.

6401674452 is an abundant number, since it is smaller than the sum of its proper divisors (8535565964).

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

6401674452 is a wasteful number, since it uses less digits than its factorization.

6401674452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533472878 (or 533472876 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 6401674452 is about 80010.4646405706. The cubic root of 6401674452 is about 1856.7974384449.

The spelling of 6401674452 in words is "six billion, four hundred one million, six hundred seventy-four thousand, four hundred fifty-two".