40353561525 has 72 divisors (see below), whose sum is σ = 70072903936. Its totient is φ = 20489356800.

The previous prime is 40353561503. The next prime is 40353561541. The reversal of 40353561525 is 52516535304.

It is not a de Polignac number, because 40353561525 - 2¹⁶ = 40353495989 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8845245 + ... + 8849805.

Almost surely, 2^40353561525 is an apocalyptic number.

It is an amenable number.

40353561525 is a deficient number, since it is larger than the sum of its proper divisors (29719342411).

40353561525 is a wasteful number, since it uses less digits than its factorization.

40353561525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843 (or 4815 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 40353561525 in words is "forty billion, three hundred fifty-three million, five hundred sixty-one thousand, five hundred twenty-five".