40531102025 has 6 divisors (see below), whose sum is σ = 50258566542. Its totient is φ = 32424881600.

The previous prime is 40531102013. The next prime is 40531102033. The reversal of 40531102025 is 52020113504.

It can be written as a sum of positive squares in 3 ways, for example, as 721674496 + 39809427529 = 26864^2 + 199523^2 .

It is not a de Polignac number, because 40531102025 - 2²² = 40526907721 is a prime.

It is a Duffinian number.

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, 810622016 + ... + 810622065.

It is an arithmetic number, because the mean of its divisors is an integer number (8376427757).

Almost surely, 2^40531102025 is an apocalyptic number.

It is an amenable number.

40531102025 is a deficient number, since it is larger than the sum of its proper divisors (9727464517).

40531102025 is a wasteful number, since it uses less digits than its factorization.

40531102025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621244091 (or 1621244086 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 40531102025 its reverse (52020113504), we get a palindrome (92551215529).

The spelling of 40531102025 in words is "forty billion, five hundred thirty-one million, one hundred two thousand, twenty-five".