40075428650 has 12 divisors (see below), whose sum is σ = 74540297382. Its totient is φ = 16030171440.

The previous prime is 40075428611. The next prime is 40075428671. The reversal of 40075428650 is 5682457004.

It can be written as a sum of positive squares in 3 ways, for example, as 30088024681 + 9987403969 = 173459^2 + 99937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40075428598 and 40075428607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400754237 + ... + 400754336.

Almost surely, 2^40075428650 is an apocalyptic number.

40075428650 is a deficient number, since it is larger than the sum of its proper divisors (34464868732).

40075428650 is a wasteful number, since it uses less digits than its factorization.

40075428650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801508585 (or 801508580 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 40075428650 in words is "forty billion, seventy-five million, four hundred twenty-eight thousand, six hundred fifty".