140402044024201 has 4 divisors (see below), whose sum is σ = 140402682693504. Its totient is φ = 140401405354900.

The previous prime is 140402044024181. The next prime is 140402044024211. The reversal of 140402044024201 is 102420440204041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140402044024201 - 2¹³ = 140402044016009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140402044024201.

It is not an unprimeable number, because it can be changed into a prime (140402044024211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319004785 + ... + 319444606.

It is an arithmetic number, because the mean of its divisors is an integer number (35100670673376).

Almost surely, 2^{140402044024201} is an apocalyptic number.

It is an amenable number.

140402044024201 is a deficient number, since it is larger than the sum of its proper divisors (638669303).

140402044024201 is an equidigital number, since it uses as much as digits as its factorization.

140402044024201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638669302.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 140402044024201 its reverse (102420440204041), we get a palindrome (242822484228242).

The spelling of 140402044024201 in words is "one hundred forty trillion, four hundred two billion, forty-four million, twenty-four thousand, two hundred one".