240011421000000 has 784 divisors, whose sum is σ = 858029592080640. Its totient is φ = 58859136000000.

The previous prime is 240011420999993. The next prime is 240011421000041. The reversal of 240011421000000 is 124110042.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 10568988646 + ... + 10569011354.

Almost surely, 2^{240011421000000} is an apocalyptic number.

240011421000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240011421000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429014796040320).

240011421000000 is an abundant number, since it is smaller than the sum of its proper divisors (618018171080640).

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

240011421000000 is an equidigital number, since it uses as much as digits as its factorization.

240011421000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038 (or 23003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 240011421000000 its reverse (124110042), we get a palindrome (240011545110042).

The spelling of 240011421000000 in words is "two hundred forty trillion, eleven billion, four hundred twenty-one million", and thus it is an aban number.