140406223524 has 96 divisors (see below), whose sum is σ = 382423910400. Its totient is φ = 39266277120.

The previous prime is 140406223493. The next prime is 140406223547. The reversal of 140406223524 is 425322604041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744312 + ... + 913680.

It is an arithmetic number, because the mean of its divisors is an integer number (3983582400).

Almost surely, 2^140406223524 is an apocalyptic number.

140406223524 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 140406223524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191211955200).

140406223524 is an abundant number, since it is smaller than the sum of its proper divisors (242017686876).

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

140406223524 is a wasteful number, since it uses less digits than its factorization.

140406223524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169593 (or 169591 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 140406223524 its reverse (425322604041), we get a palindrome (565728827565).

The spelling of 140406223524 in words is "one hundred forty billion, four hundred six million, two hundred twenty-three thousand, five hundred twenty-four".