40450423025 has 6 divisors (see below), whose sum is σ = 50158524582. Its totient is φ = 32360338400.

The previous prime is 40450422899. The next prime is 40450423051. The reversal of 40450423025 is 52032405404.

It can be written as a sum of positive squares in 3 ways, for example, as 4659837169 + 35790585856 = 68263^2 + 189184^2 .

It is not a de Polignac number, because 40450423025 - 2⁸ = 40450422769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 809008436 + ... + 809008485.

It is an arithmetic number, because the mean of its divisors is an integer number (8359754097).

Almost surely, 2^40450423025 is an apocalyptic number.

It is an amenable number.

40450423025 is a deficient number, since it is larger than the sum of its proper divisors (9708101557).

40450423025 is a wasteful number, since it uses less digits than its factorization.

40450423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618016931 (or 1618016926 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 40450423025 its reverse (52032405404), we get a palindrome (92482828429).

The spelling of 40450423025 in words is "forty billion, four hundred fifty million, four hundred twenty-three thousand, twenty-five".