140440100200420 has 12 divisors (see below), whose sum is σ = 294924210420924. Its totient is φ = 56176040080160.

The previous prime is 140440100200409. The next prime is 140440100200537. The reversal of 140440100200420 is 24002001044041.

It can be written as a sum of positive squares in 2 ways, for example, as 64864757545956 + 75575342654464 = 8053866^2 + 8693408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140440100200391 and 140440100200400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511002504991 + ... + 3511002505030.

It is an arithmetic number, because the mean of its divisors is an integer number (24577017535077).

Almost surely, 2^{140440100200420} is an apocalyptic number.

140440100200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440100200420 is an abundant number, since it is smaller than the sum of its proper divisors (154484110220504).

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

140440100200420 is a wasteful number, since it uses less digits than its factorization.

140440100200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022005010030 (or 7022005010028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 140440100200420 its reverse (24002001044041), we get a palindrome (164442101244461).

The spelling of 140440100200420 in words is "one hundred forty trillion, four hundred forty billion, one hundred million, two hundred thousand, four hundred twenty".