140440313323020 has 48 divisors (see below), whose sum is σ = 393233732011008. Its totient is φ = 37450668818880.

The previous prime is 140440313322983. The next prime is 140440313323031. The reversal of 140440313323020 is 20323313044041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28402405 + ... + 32978435.

It is an arithmetic number, because the mean of its divisors is an integer number (8192369416896).

Almost surely, 2^{140440313323020} is an apocalyptic number.

140440313323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440313323020 is an abundant number, since it is smaller than the sum of its proper divisors (252793418687988).

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

140440313323020 is a wasteful number, since it uses less digits than its factorization.

140440313323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087550 (or 5087548 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 140440313323020 its reverse (20323313044041), we get a palindrome (160763626367061).

The spelling of 140440313323020 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, three hundred twenty-three thousand, twenty".