40531254134 has 32 divisors (see below), whose sum is σ = 71212067136. Its totient is φ = 16938478080.

The previous prime is 40531254121. The next prime is 40531254193. The reversal of 40531254134 is 43145213504.

It is a self number, because there is not a number n which added to its sum of digits gives 40531254134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219424 + ... + 1252220.

It is an arithmetic number, because the mean of its divisors is an integer number (2225377098).

Almost surely, 2^40531254134 is an apocalyptic number.

40531254134 is a deficient number, since it is larger than the sum of its proper divisors (30680813002).

40531254134 is a wasteful number, since it uses less digits than its factorization.

40531254134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35000.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40531254134 its reverse (43145213504), we get a palindrome (83676467638).

The spelling of 40531254134 in words is "forty billion, five hundred thirty-one million, two hundred fifty-four thousand, one hundred thirty-four".