40545857824 has 24 divisors (see below), whose sum is σ = 80121420540. Its totient is φ = 20197560576.

The previous prime is 40545857753. The next prime is 40545857839. The reversal of 40545857824 is 42875854504.

It can be written as a sum of positive squares in 2 ways, for example, as 40454081424 + 91776400 = 201132^2 + 9580^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346519 + ... + 2363734.

Almost surely, 2^40545857824 is an apocalyptic number.

It is an amenable number.

40545857824 is a deficient number, since it is larger than the sum of its proper divisors (39575562716).

40545857824 is a wasteful number, since it uses less digits than its factorization.

40545857824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710532 (or 4710524 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 52.

The spelling of 40545857824 in words is "forty billion, five hundred forty-five million, eight hundred fifty-seven thousand, eight hundred twenty-four".