240003423221430 has 256 divisors, whose sum is σ = 694836137281536. Its totient is φ = 52336048005120.

The previous prime is 240003423221399. The next prime is 240003423221467. The reversal of 240003423221430 is 34122324300042.

It is a super-2 number, since 2×240003423221430² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 155746672 + ... + 157280108.

It is an arithmetic number, because the mean of its divisors is an integer number (2714203661256).

Almost surely, 2^{240003423221430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240003423221430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347418068640768).

240003423221430 is an abundant number, since it is smaller than the sum of its proper divisors (454832714060106).

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

240003423221430 is a wasteful number, since it uses less digits than its factorization.

240003423221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534711.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 240003423221430 its reverse (34122324300042), we get a palindrome (274125747521472).

The spelling of 240003423221430 in words is "two hundred forty trillion, three billion, four hundred twenty-three million, two hundred twenty-one thousand, four hundred thirty".