40450305025 has 12 divisors (see below), whose sum is σ = 54016715452. Its totient is φ = 29870994240.

The previous prime is 40450305017. The next prime is 40450305041. The reversal of 40450305025 is 52050305404.

It can be written as a sum of positive squares in 6 ways, for example, as 10246298176 + 30204006849 = 101224^2 + 173793^2 .

It is not a de Polignac number, because 40450305025 - 2³ = 40450305017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40450304984 and 40450305002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62230914 + ... + 62231563.

Almost surely, 2^40450305025 is an apocalyptic number.

It is an amenable number.

40450305025 is a deficient number, since it is larger than the sum of its proper divisors (13566410427).

40450305025 is a wasteful number, since it uses less digits than its factorization.

40450305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124462500 (or 124462495 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 40450305025 in words is "forty billion, four hundred fifty million, three hundred five thousand, twenty-five".