40500129275 has 24 divisors (see below), whose sum is σ = 50390868528. Its totient is φ = 32290160000.

The previous prime is 40500129227. The next prime is 40500129287. The reversal of 40500129275 is 57292100504.

It is not a de Polignac number, because 40500129275 - 2¹² = 40500125179 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12572165 + ... + 12575385.

It is an arithmetic number, because the mean of its divisors is an integer number (2099619522).

Almost surely, 2^40500129275 is an apocalyptic number.

40500129275 is a deficient number, since it is larger than the sum of its proper divisors (9890739253).

40500129275 is a wasteful number, since it uses less digits than its factorization.

40500129275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783 (or 4778 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 40500129275 its reverse (57292100504), we get a palindrome (97792229779).

The spelling of 40500129275 in words is "forty billion, five hundred million, one hundred twenty-nine thousand, two hundred seventy-five".