1463440571432 has 128 divisors (see below), whose sum is σ = 3383376480000. Its totient is φ = 579202990080.

The previous prime is 1463440571429. The next prime is 1463440571443. The reversal of 1463440571432 is 2341750443641.

It is a super-2 number, since 2×1463440571432² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11033444 + ... + 11165292.

It is an arithmetic number, because the mean of its divisors is an integer number (26432628750).

Almost surely, 2^{1463440571432} 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 1463440571432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691688240000).

1463440571432 is an abundant number, since it is smaller than the sum of its proper divisors (1919935908568).

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

1463440571432 is a wasteful number, since it uses less digits than its factorization.

1463440571432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132099 (or 132095 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 1463440571432 in words is "one trillion, four hundred sixty-three billion, four hundred forty million, five hundred seventy-one thousand, four hundred thirty-two".