240553390656 has 224 divisors, whose sum is σ = 679604318208. Its totient is φ = 74918440960.

The previous prime is 240553390643. The next prime is 240553390723. The reversal of 240553390656 is 656093355042.

It is a super-2 number, since 2×240553390656² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 157946311 + ... + 157947833.

Almost surely, 2^240553390656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240553390656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339802159104).

240553390656 is an abundant number, since it is smaller than the sum of its proper divisors (439050927552).

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

240553390656 is a wasteful number, since it uses less digits than its factorization.

240553390656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 240553390656 in words is "two hundred forty billion, five hundred fifty-three million, three hundred ninety thousand, six hundred fifty-six".