140344820480454 has 16 divisors (see below), whose sum is σ = 283843457152560. Its totient is φ = 46255970794880.

The previous prime is 140344820480369. The next prime is 140344820480461. The reversal of 140344820480454 is 454084028443041.

It is a happy number.

It is a super-2 number, since 2×140344820480454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140344820480397 and 140344820480406.

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, 131409007407 + ... + 131409008474.

It is an arithmetic number, because the mean of its divisors is an integer number (17740216072035).

Almost surely, 2^{140344820480454} is an apocalyptic number.

140344820480454 is an abundant number, since it is smaller than the sum of its proper divisors (143498636672106).

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

140344820480454 is a wasteful number, since it uses less digits than its factorization.

140344820480454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262818015975.

The product of its (nonzero) digits is 7864320, while the sum is 51.

The spelling of 140344820480454 in words is "one hundred forty trillion, three hundred forty-four billion, eight hundred twenty million, four hundred eighty thousand, four hundred fifty-four".