240038263969 has 9 divisors (see below), whose sum is σ = 279232174161. Its totient is φ = 205744143780.

The previous prime is 240038263961. The next prime is 240038263999. The reversal of 240038263969 is 969362830042.

The square root of 240038263969 is 489937.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 240038263969 - 2³ = 240038263961 is a prime.

It is a super-2 number, since 2×240038263969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240038263961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3394564 + ... + 3464554.

It is an arithmetic number, because the mean of its divisors is an integer number (31025797129).

Almost surely, 2^240038263969 is an apocalyptic number.

240038263969 is the 489937-th square number.

240038263969 is the 244969-th centered octagonal number.

It is an amenable number.

240038263969 is a deficient number, since it is larger than the sum of its proper divisors (39193910192).

240038263969 is an frugal number, since it uses more digits than its factorization.

240038263969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139996 (or 69998 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 240038263969 in words is "two hundred forty billion, thirty-eight million, two hundred sixty-three thousand, nine hundred sixty-nine".