240021052554 has 16 divisors (see below), whose sum is σ = 480552256800. Its totient is φ = 79921992240.

The previous prime is 240021052529. The next prime is 240021052567. The reversal of 240021052554 is 455250120042.

It is a super-2 number, since 2×240021052554² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21250204 + ... + 21261495.

It is an arithmetic number, because the mean of its divisors is an integer number (30034516050).

Almost surely, 2^240021052554 is an apocalyptic number.

240021052554 is an abundant number, since it is smaller than the sum of its proper divisors (240531204246).

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

240021052554 is a wasteful number, since it uses less digits than its factorization.

240021052554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42512645.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 240021052554 its reverse (455250120042), we get a palindrome (695271172596).

The spelling of 240021052554 in words is "two hundred forty billion, twenty-one million, fifty-two thousand, five hundred fifty-four".