240054455716656 has 160 divisors (see below), whose sum is σ = 718433710299648. Its totient is φ = 67650810501120.

The previous prime is 240054455716651. The next prime is 240054455716693. The reversal of 240054455716656 is 656617554450042.

It is a happy number.

It is a super-2 number, since 2×240054455716656² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240054455716656.

It is not an unprimeable number, because it can be changed into a prime (240054455716651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10231366 + ... + 24182426.

Almost surely, 2^{240054455716656} 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 240054455716656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359216855149824).

240054455716656 is an abundant number, since it is smaller than the sum of its proper divisors (478379254582992).

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

240054455716656 is a wasteful number, since it uses less digits than its factorization.

240054455716656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951779 (or 13951773 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 60.

The spelling of 240054455716656 in words is "two hundred forty trillion, fifty-four billion, four hundred fifty-five million, seven hundred sixteen thousand, six hundred fifty-six".