240545554434 has 24 divisors (see below), whose sum is σ = 537994359552. Its totient is φ = 77595339960.

The previous prime is 240545554433. The next prime is 240545554477. The reversal of 240545554434 is 434455545042.

It is a happy number.

240545554434 is a `hidden beast` number, since 2 + 4 + 0 + 54 + 5 + 554 + 43 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 240545554434.

It is not an unprimeable number, because it can be changed into a prime (240545554433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215542054 + ... + 215543169.

It is an arithmetic number, because the mean of its divisors is an integer number (22416431648).

Almost surely, 2^240545554434 is an apocalyptic number.

240545554434 is an abundant number, since it is smaller than the sum of its proper divisors (297448805118).

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

240545554434 is a wasteful number, since it uses less digits than its factorization.

240545554434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431085262 (or 431085259 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

The spelling of 240545554434 in words is "two hundred forty billion, five hundred forty-five million, five hundred fifty-four thousand, four hundred thirty-four".