40501412125 has 16 divisors (see below), whose sum is σ = 50563768320. Its totient is φ = 32389587600.

The previous prime is 40501412113. The next prime is 40501412129. The reversal of 40501412125 is 52121410504.

It is not a de Polignac number, because 40501412125 - 2¹⁹ = 40500887837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40501412125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501412129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303604 + ... + 416146.

It is an arithmetic number, because the mean of its divisors is an integer number (3160235520).

Almost surely, 2^40501412125 is an apocalyptic number.

It is an amenable number.

40501412125 is a deficient number, since it is larger than the sum of its proper divisors (10062356195).

40501412125 is a wasteful number, since it uses less digits than its factorization.

40501412125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115437 (or 115427 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 40501412125 its reverse (52121410504), we get a palindrome (92622822629).

The spelling of 40501412125 in words is "forty billion, five hundred one million, four hundred twelve thousand, one hundred twenty-five".