40659790225 has 12 divisors (see below), whose sum is σ = 50696698780. Its totient is φ = 32348116800.

The previous prime is 40659790207. The next prime is 40659790243. The reversal of 40659790225 is 52209795604.

It is an interprime number because it is at equal distance from previous prime (40659790207) and next prime (40659790243).

It can be written as a sum of positive squares in 6 ways, for example, as 3598920081 + 37060870144 = 59991^2 + 192512^2 .

It is not a de Polignac number, because 40659790225 - 2³³ = 32069855633 is a prime.

It is a super-2 number, since 2×40659790225² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 4488270 + ... + 4497319.

Almost surely, 2^40659790225 is an apocalyptic number.

It is an amenable number.

40659790225 is a deficient number, since it is larger than the sum of its proper divisors (10036908555).

40659790225 is a wasteful number, since it uses less digits than its factorization.

40659790225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985780 (or 8985775 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 40659790225 in words is "forty billion, six hundred fifty-nine million, seven hundred ninety thousand, two hundred twenty-five".