1463256344920 has 32 divisors (see below), whose sum is σ = 3292616628000. Its totient is φ = 585251008768.

The previous prime is 1463256344873. The next prime is 1463256344939. The reversal of 1463256344920 is 294436523641.

It is a super-2 number, since 2×1463256344920² (a number of 25 digits) contains 22 as substring.

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, 1148629 + ... + 2060548.

It is an arithmetic number, because the mean of its divisors is an integer number (102894269625).

Almost surely, 2^{1463256344920} is an apocalyptic number.

1463256344920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463256344920 is an abundant number, since it is smaller than the sum of its proper divisors (1829360283080).

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

1463256344920 is a wasteful number, since it uses less digits than its factorization.

1463256344920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220587 (or 3220583 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 1463256344920 in words is "one trillion, four hundred sixty-three billion, two hundred fifty-six million, three hundred forty-four thousand, nine hundred twenty".