240542045331 has 128 divisors (see below), whose sum is σ = 408464916480. Its totient is φ = 122758530048.

The previous prime is 240542045291. The next prime is 240542045353. The reversal of 240542045331 is 133540245042.

It is not a de Polignac number, because 240542045331 - 2¹⁵ = 240542012563 is a prime.

It is a super-2 number, since 2×240542045331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240542045292 and 240542045301.

It is not an unprimeable number, because it can be changed into a prime (240542045531) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 201627271 + ... + 201628463.

It is an arithmetic number, because the mean of its divisors is an integer number (3191132160).

Almost surely, 2^240542045331 is an apocalyptic number.

240542045331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

240542045331 is a deficient number, since it is larger than the sum of its proper divisors (167922871149).

240542045331 is a wasteful number, since it uses less digits than its factorization.

240542045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 240542045331 in words is "two hundred forty billion, five hundred forty-two million, forty-five thousand, three hundred thirty-one".