1463205656 has 64 divisors (see below), whose sum is σ = 3157660800. Its totient is φ = 628646400.

The previous prime is 1463205647. The next prime is 1463205659. The reversal of 1463205656 is 6565023641.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463205659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074416 + ... + 1075776.

It is an arithmetic number, because the mean of its divisors is an integer number (49338450).

Almost surely, 2^1463205656 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 1463205656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578830400).

1463205656 is an abundant number, since it is smaller than the sum of its proper divisors (1694455144).

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

1463205656 is a wasteful number, since it uses less digits than its factorization.

1463205656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1463205656 is about 38251.8712744880. The cubic root of 1463205656 is about 1135.2768719124.

The spelling of 1463205656 in words is "one billion, four hundred sixty-three million, two hundred five thousand, six hundred fifty-six".