240072655 has 16 divisors (see below), whose sum is σ = 298957824. Its totient is φ = 184937760.

The previous prime is 240072653. The next prime is 240072661. The reversal of 240072655 is 556270042.

It is not a de Polignac number, because 240072655 - 2¹ = 240072653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240072653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7402 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (18684864).

Almost surely, 2^240072655 is an apocalyptic number.

240072655 is a deficient number, since it is larger than the sum of its proper divisors (58885169).

240072655 is a wasteful number, since it uses less digits than its factorization.

240072655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 240072655 is about 15494.2781374287. The cubic root of 240072655 is about 621.5092048576.

It can be divided in two parts, 24007 and 2655, that added together give a palindrome (26662).

The spelling of 240072655 in words is "two hundred forty million, seventy-two thousand, six hundred fifty-five".