40146004616525 has 24 divisors (see below), whose sum is σ = 52710257994984. Its totient is φ = 30227054950400.

The previous prime is 40146004616513. The next prime is 40146004616539. The reversal of 40146004616525 is 52561640064104.

It can be written as a sum of positive squares in 12 ways, for example, as 13469626669801 + 26676377946724 = 3670099^2 + 5164918^2 .

It is not a de Polignac number, because 40146004616525 - 2⁴² = 35747958105421 is a prime.

It is a super-2 number, since 2×40146004616525² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 24604595 + ... + 26185455.

It is an arithmetic number, because the mean of its divisors is an integer number (2196260749791).

Almost surely, 2^{40146004616525} is an apocalyptic number.

It is an amenable number.

40146004616525 is a deficient number, since it is larger than the sum of its proper divisors (12564253378459).

40146004616525 is a wasteful number, since it uses less digits than its factorization.

40146004616525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640641 (or 1640636 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 40146004616525 in words is "forty trillion, one hundred forty-six billion, four million, six hundred sixteen thousand, five hundred twenty-five".