240401236512 has 24 divisors (see below), whose sum is σ = 631053246096. Its totient is φ = 80133745472.

The previous prime is 240401236499. The next prime is 240401236541. The reversal of 240401236512 is 215632104042.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×240401236512² (a number of 24 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 240401236512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252089678 + ... + 1252089869.

It is an arithmetic number, because the mean of its divisors is an integer number (26293885254).

Almost surely, 2^240401236512 is an apocalyptic number.

It is an amenable number.

240401236512 is an abundant number, since it is smaller than the sum of its proper divisors (390652009584).

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

240401236512 is a wasteful number, since it uses less digits than its factorization.

240401236512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504179560 (or 2504179552 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 240401236512 in words is "two hundred forty billion, four hundred one million, two hundred thirty-six thousand, five hundred twelve".