140440452246 has 24 divisors (see below), whose sum is σ = 304980801840. Its totient is φ = 46706844816.

The previous prime is 140440452233. The next prime is 140440452277. The reversal of 140440452246 is 642254044041.

140440452246 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 404 + 5 + 2 + 246 = 666.

140440452246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140440452246² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140440452246.

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 11 ways as a sum of consecutive naturals, for example, 8878485 + ... + 8894288.

It is an arithmetic number, because the mean of its divisors is an integer number (12707533410).

Almost surely, 2^140440452246 is an apocalyptic number.

140440452246 is an abundant number, since it is smaller than the sum of its proper divisors (164540349594).

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

140440452246 is a wasteful number, since it uses less digits than its factorization.

140440452246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17773220 (or 17773217 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 140440452246 its reverse (642254044041), we get a palindrome (782694496287).

The spelling of 140440452246 in words is "one hundred forty billion, four hundred forty million, four hundred fifty-two thousand, two hundred forty-six".