140543451956544 has 448 divisors, whose sum is σ = 479934489699840. Its totient is φ = 35297993687040.

The previous prime is 140543451956503. The next prime is 140543451956587. The reversal of 140543451956544 is 445659154345041.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×140543451956544² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 35088384 + ... + 38888064.

It is an arithmetic number, because the mean of its divisors is an integer number (1071282343080).

Almost surely, 2^{140543451956544} is an apocalyptic number.

140543451956544 is a gapful number since it is divisible by the number (14) 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 140543451956544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239967244849920).

140543451956544 is an abundant number, since it is smaller than the sum of its proper divisors (339391037743296).

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

140543451956544 is a wasteful number, since it uses less digits than its factorization.

140543451956544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799818 (or 3799808 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 60.

The spelling of 140543451956544 in words is "one hundred forty trillion, five hundred forty-three billion, four hundred fifty-one million, nine hundred fifty-six thousand, five hundred forty-four".