4050428257025 has 6 divisors (see below), whose sum is σ = 5022531038742. Its totient is φ = 3240342605600.

The previous prime is 4050428257021. The next prime is 4050428257123. The reversal of 4050428257025 is 5207528240504.

It can be written as a sum of positive squares in 3 ways, for example, as 818444093041 + 3231984163984 = 904679^2 + 1797772^2 .

It is not a de Polignac number, because 4050428257025 - 2² = 4050428257021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4050428257021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81008565116 + ... + 81008565165.

It is an arithmetic number, because the mean of its divisors is an integer number (837088506457).

Almost surely, 2^{4050428257025} is an apocalyptic number.

It is an amenable number.

4050428257025 is a deficient number, since it is larger than the sum of its proper divisors (972102781717).

4050428257025 is a wasteful number, since it uses less digits than its factorization.

4050428257025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162017130291 (or 162017130286 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 44.

The spelling of 4050428257025 in words is "four trillion, fifty billion, four hundred twenty-eight million, two hundred fifty-seven thousand, twenty-five".