40671510525 has 36 divisors (see below), whose sum is σ = 73528052832. Its totient is φ = 21488735520.

The previous prime is 40671510521. The next prime is 40671510527. The reversal of 40671510525 is 52501517604.

It is not a de Polignac number, because 40671510525 - 2² = 40671510521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40671510525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40671510521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 820609 + ... + 868758.

It is an arithmetic number, because the mean of its divisors is an integer number (2042445912).

Almost surely, 2^40671510525 is an apocalyptic number.

40671510525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40671510525 is a deficient number, since it is larger than the sum of its proper divisors (32856542307).

40671510525 is a wasteful number, since it uses less digits than its factorization.

40671510525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689490 (or 1689482 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 40671510525 in words is "forty billion, six hundred seventy-one million, five hundred ten thousand, five hundred twenty-five".