240730451040 has 192 divisors, whose sum is σ = 768101709312. Its totient is φ = 63366451200.

The previous prime is 240730451011. The next prime is 240730451053. The reversal of 240730451040 is 40154037042.

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

It is a junction number, because it is equal to n+sod(n) for n = 240730450989 and 240730451007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68562885 + ... + 68566395.

It is an arithmetic number, because the mean of its divisors is an integer number (4000529736).

Almost surely, 2^240730451040 is an apocalyptic number.

240730451040 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 240730451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384050854656).

240730451040 is an abundant number, since it is smaller than the sum of its proper divisors (527371258272).

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

240730451040 is a wasteful number, since it uses less digits than its factorization.

240730451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 240730451040 its reverse (40154037042), we get a palindrome (280884488082).

The spelling of 240730451040 in words is "two hundred forty billion, seven hundred thirty million, four hundred fifty-one thousand, forty".