154240430252540 has 12 divisors (see below), whose sum is σ = 323904903530376. Its totient is φ = 61696172101008.

The previous prime is 154240430252477. The next prime is 154240430252549. The reversal of 154240430252540 is 45252034042451.

It is a super-2 number, since 2×154240430252540² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154240430252549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856010756294 + ... + 3856010756333.

It is an arithmetic number, because the mean of its divisors is an integer number (26992075294198).

Almost surely, 2^{154240430252540} is an apocalyptic number.

154240430252540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154240430252540 is an abundant number, since it is smaller than the sum of its proper divisors (169664473277836).

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

154240430252540 is a wasteful number, since it uses less digits than its factorization.

154240430252540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712021512636 (or 7712021512634 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 154240430252540 its reverse (45252034042451), we get a palindrome (199492464294991).

The spelling of 154240430252540 in words is "one hundred fifty-four trillion, two hundred forty billion, four hundred thirty million, two hundred fifty-two thousand, five hundred forty".