240223420465 has 24 divisors (see below), whose sum is σ = 336345486912. Its totient is φ = 164226918240.

The previous prime is 240223420457. The next prime is 240223420477. The reversal of 240223420465 is 564024322042.

It is not a de Polignac number, because 240223420465 - 2³ = 240223420457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240223420465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1400029 + ... + 1562218.

It is an arithmetic number, because the mean of its divisors is an integer number (14014395288).

Almost surely, 2^240223420465 is an apocalyptic number.

It is an amenable number.

240223420465 is a deficient number, since it is larger than the sum of its proper divisors (96122066447).

240223420465 is a wasteful number, since it uses less digits than its factorization.

240223420465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962597 (or 2962590 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

The spelling of 240223420465 in words is "two hundred forty billion, two hundred twenty-three million, four hundred twenty thousand, four hundred sixty-five".