1463896983640 has 128 divisors (see below), whose sum is σ = 4055047234560. Its totient is φ = 463164562944.

The previous prime is 1463896983631. The next prime is 1463896983733. The reversal of 1463896983640 is 463896983641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12854389 + ... + 12967771.

It is an arithmetic number, because the mean of its divisors is an integer number (31680056520).

Almost surely, 2^{1463896983640} is an apocalyptic number.

1463896983640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1463896983640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027523617280).

1463896983640 is an abundant number, since it is smaller than the sum of its proper divisors (2591150250920).

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

1463896983640 is a wasteful number, since it uses less digits than its factorization.

1463896983640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116961 (or 116957 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

Subtracting from 1463896983640 its reverse (463896983641), we obtain a palindrome (999999999999).

The spelling of 1463896983640 in words is "one trillion, four hundred sixty-three billion, eight hundred ninety-six million, nine hundred eighty-three thousand, six hundred forty".