2401210001405 has 4 divisors (see below), whose sum is σ = 2881452001692. Its totient is φ = 1920968001120.

The previous prime is 2401210001401. The next prime is 2401210001417. The reversal of 2401210001405 is 5041000121042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294825108484 + 2106384892921 = 542978^2 + 1451339^2 .

It is not a de Polignac number, because 2401210001405 - 2² = 2401210001401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401210001401) 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, 240121000136 + ... + 240121000145.

It is an arithmetic number, because the mean of its divisors is an integer number (720363000423).

Almost surely, 2^{2401210001405} is an apocalyptic number.

It is an amenable number.

2401210001405 is a deficient number, since it is larger than the sum of its proper divisors (480242000287).

2401210001405 is an equidigital number, since it uses as much as digits as its factorization.

2401210001405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480242000286.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2401210001405 its reverse (5041000121042), we get a palindrome (7442210122447).

The spelling of 2401210001405 in words is "two trillion, four hundred one billion, two hundred ten million, one thousand, four hundred five".