40545002457 has 12 divisors (see below), whose sum is σ = 60584486820. Its totient is φ = 26097932448.

The previous prime is 40545002453. The next prime is 40545002461. The reversal of 40545002457 is 75420054504.

It is a happy number.

40545002457 is a `hidden beast` number, since 40 + 545 + 0 + 0 + 24 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (40545002453) and next prime (40545002461).

It can be written as a sum of positive squares in 2 ways, for example, as 33525243801 + 7019758656 = 183099^2 + 83784^2 .

It is not a de Polignac number, because 40545002457 - 2² = 40545002453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40545002453) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 77672158 + ... + 77672679.

It is an arithmetic number, because the mean of its divisors is an integer number (5048707235).

Almost surely, 2^40545002457 is an apocalyptic number.

It is an amenable number.

40545002457 is a deficient number, since it is larger than the sum of its proper divisors (20039484363).

40545002457 is a wasteful number, since it uses less digits than its factorization.

40545002457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155344872 (or 155344869 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The spelling of 40545002457 in words is "forty billion, five hundred forty-five million, two thousand, four hundred fifty-seven".