40090050625 has 15 divisors (see below), whose sum is σ = 50102783071. Its totient is φ = 32068036000.

The previous prime is 40090050601. The next prime is 40090050683. The reversal of 40090050625 is 52605009004.

The square root of 40090050625 is 200225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 25385092929 + 14704957696 = 159327^2 + 121264^2 .

It is not a de Polignac number, because 40090050625 - 2⁵ = 40090050593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5001621 + ... + 5009629.

Almost surely, 2^40090050625 is an apocalyptic number.

40090050625 is the 200225-th square number.

40090050625 is the 100113-rd centered octagonal number.

It is an amenable number.

40090050625 is a deficient number, since it is larger than the sum of its proper divisors (10012732446).

40090050625 is an frugal number, since it uses more digits than its factorization.

40090050625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038 (or 8014 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 40090050625 its reverse (52605009004), we get a palindrome (92695059629).

The spelling of 40090050625 in words is "forty billion, ninety million, fifty thousand, six hundred twenty-five".