40115230254 has 24 divisors (see below), whose sum is σ = 94817817432. Its totient is φ = 12156130320.

The previous prime is 40115230249. The next prime is 40115230273. The reversal of 40115230254 is 45203251104.

40115230254 is a `hidden beast` number, since 401 + 1 + 5 + 2 + 3 + 0 + 254 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 101300889 + ... + 101301284.

It is an arithmetic number, because the mean of its divisors is an integer number (3950742393).

Almost surely, 2^40115230254 is an apocalyptic number.

40115230254 is an abundant number, since it is smaller than the sum of its proper divisors (54702587178).

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

40115230254 is a wasteful number, since it uses less digits than its factorization.

40115230254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202602192 (or 202602189 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40115230254 its reverse (45203251104), we get a palindrome (85318481358).

The spelling of 40115230254 in words is "forty billion, one hundred fifteen million, two hundred thirty thousand, two hundred fifty-four".