140420210042420 has 96 divisors (see below), whose sum is σ = 368756354082816. Its totient is φ = 43635110428800.

The previous prime is 140420210042393. The next prime is 140420210042459. The reversal of 140420210042420 is 24240012024041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140420210042420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137227352 + ... + 138246831.

It is an arithmetic number, because the mean of its divisors is an integer number (3841212021696).

Almost surely, 2^{140420210042420} is an apocalyptic number.

140420210042420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140420210042420 is an abundant number, since it is smaller than the sum of its proper divisors (228336144040396).

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

140420210042420 is a wasteful number, since it uses less digits than its factorization.

140420210042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275474541 (or 275474539 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 140420210042420 its reverse (24240012024041), we get a palindrome (164660222066461).

The spelling of 140420210042420 in words is "one hundred forty trillion, four hundred twenty billion, two hundred ten million, forty-two thousand, four hundred twenty".