40250605652 has 12 divisors (see below), whose sum is σ = 70615989780. Its totient is φ = 20074608576.

The previous prime is 40250605643. The next prime is 40250605687. The reversal of 40250605652 is 25650605204.

It can be written as a sum of positive squares in 2 ways, for example, as 23616312976 + 16634292676 = 153676^2 + 128974^2 .

It is a super-2 number, since 2×40250605652² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 12671777 + ... + 12674952.

It is an arithmetic number, because the mean of its divisors is an integer number (5884665815).

Almost surely, 2^40250605652 is an apocalyptic number.

It is an amenable number.

40250605652 is a deficient number, since it is larger than the sum of its proper divisors (30365384128).

40250605652 is a wasteful number, since it uses less digits than its factorization.

40250605652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25347130 (or 25347128 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 40250605652 in words is "forty billion, two hundred fifty million, six hundred five thousand, six hundred fifty-two".