2401520345021 has 8 divisors (see below), whose sum is σ = 2744837204544. Its totient is φ = 2058264116640.

The previous prime is 2401520345017. The next prime is 2401520345023. The reversal of 2401520345021 is 1205430251042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2401520345021 - 2² = 2401520345017 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 (2401520345023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15072875 + ... + 15231368.

It is an arithmetic number, because the mean of its divisors is an integer number (343104650568).

Almost surely, 2^{2401520345021} is an apocalyptic number.

It is an amenable number.

2401520345021 is a deficient number, since it is larger than the sum of its proper divisors (343316859523).

2401520345021 is a wasteful number, since it uses less digits than its factorization.

2401520345021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30315571.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2401520345021 its reverse (1205430251042), we get a palindrome (3606950596063).

The spelling of 2401520345021 in words is "two trillion, four hundred one billion, five hundred twenty million, three hundred forty-five thousand, twenty-one".