240013013421 has 8 divisors (see below), whose sum is σ = 320062972320. Its totient is φ = 159985865072.

The previous prime is 240013013413. The next prime is 240013013423. The reversal of 240013013421 is 124310310042.

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 240013013421 - 2³ = 240013013413 is a prime.

It is a super-2 number, since 2×240013013421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240013013423) 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, 5678070 + ... + 5720183.

It is an arithmetic number, because the mean of its divisors is an integer number (40007871540).

Almost surely, 2^240013013421 is an apocalyptic number.

It is an amenable number.

240013013421 is a deficient number, since it is larger than the sum of its proper divisors (80049958899).

240013013421 is a wasteful number, since it uses less digits than its factorization.

240013013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11405275.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 240013013421 its reverse (124310310042), we get a palindrome (364323323463).

The spelling of 240013013421 in words is "two hundred forty billion, thirteen million, thirteen thousand, four hundred twenty-one".