1240332321450 has 96 divisors (see below), whose sum is σ = 3182531572800. Its totient is φ = 319306014720.

The previous prime is 1240332321409. The next prime is 1240332321461. The reversal of 1240332321450 is 541232330421.

It is a super-2 number, since 2×1240332321450² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41932266 + ... + 41961834.

It is an arithmetic number, because the mean of its divisors is an integer number (33151370550).

Almost surely, 2^{1240332321450} is an apocalyptic number.

1240332321450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240332321450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591265786400).

1240332321450 is an abundant number, since it is smaller than the sum of its proper divisors (1942199251350).

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

1240332321450 is a wasteful number, since it uses less digits than its factorization.

1240332321450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39256 (or 39251 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1240332321450 its reverse (541232330421), we get a palindrome (1781564651871).

The spelling of 1240332321450 in words is "one trillion, two hundred forty billion, three hundred thirty-two million, three hundred twenty-one thousand, four hundred fifty".