40021303342025 has 12 divisors (see below), whose sum is σ = 49637806321932. Its totient is φ = 32009694171840.

The previous prime is 40021303341979. The next prime is 40021303342117. The reversal of 40021303342025 is 52024330312004.

It is a happy number.

40021303342025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 152484783049 + 39868818558976 = 390493^2 + 6314176^2 .

It is not a de Polignac number, because 40021303342025 - 2¹⁰ = 40021303341001 is a prime.

It is a super-2 number, since 2×40021303342025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183601442 + ... + 183819291.

It is an arithmetic number, because the mean of its divisors is an integer number (4136483860161).

Almost surely, 2^{40021303342025} is an apocalyptic number.

It is an amenable number.

40021303342025 is a deficient number, since it is larger than the sum of its proper divisors (9616502979907).

40021303342025 is a wasteful number, since it uses less digits than its factorization.

40021303342025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367425100 (or 367425095 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 40021303342025 its reverse (52024330312004), we get a palindrome (92045633654029).

The spelling of 40021303342025 in words is "forty trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, twenty-five".