40524545457 has 32 divisors (see below), whose sum is σ = 68341800960. Its totient is φ = 23492486160.

The previous prime is 40524545449. The next prime is 40524545459. The reversal of 40524545457 is 75454542504.

40524545457 is a `hidden beast` number, since 4 + 0 + 52 + 4 + 54 + 545 + 7 = 666.

It is not a de Polignac number, because 40524545457 - 2³ = 40524545449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40524545459) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2959393 + ... + 2973054.

It is an arithmetic number, because the mean of its divisors is an integer number (2135681280).

Almost surely, 2^40524545457 is an apocalyptic number.

It is an amenable number.

40524545457 is a deficient number, since it is larger than the sum of its proper divisors (27817255503).

40524545457 is a wasteful number, since it uses less digits than its factorization.

40524545457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932490 (or 5932484 counting only the distinct ones).

The product of its (nonzero) digits is 2240000, while the sum is 45.

The spelling of 40524545457 in words is "forty billion, five hundred twenty-four million, five hundred forty-five thousand, four hundred fifty-seven".