40147320125 has 16 divisors (see below), whose sum is σ = 54658753344. Its totient is φ = 29198050000.

The previous prime is 40147320077. The next prime is 40147320149. The reversal of 40147320125 is 52102374104.

It is not a de Polignac number, because 40147320125 - 2¹² = 40147316029 is a prime.

It is a super-2 number, since 2×40147320125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14597651 + ... + 14600400.

It is an arithmetic number, because the mean of its divisors is an integer number (3416172084).

Almost surely, 2^40147320125 is an apocalyptic number.

It is an amenable number.

40147320125 is a deficient number, since it is larger than the sum of its proper divisors (14511433219).

40147320125 is a wasteful number, since it uses less digits than its factorization.

40147320125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198077 (or 29198067 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 40147320125 its reverse (52102374104), we get a palindrome (92249694229).

The spelling of 40147320125 in words is "forty billion, one hundred forty-seven million, three hundred twenty thousand, one hundred twenty-five".