4426416249025 has 9 divisors (see below), whose sum is σ = 5488769193033. Its totient is φ = 3541124583600.

The previous prime is 4426416249019. The next prime is 4426416249041. The reversal of 4426416249025 is 5209426146244.

The square root of 4426416249025 is 2103905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39502755009 + 4386913494016 = 198753^2 + 2094496^2 .

It is not a de Polignac number, because 4426416249025 - 2⁷ = 4426416248897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4426416249025.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10309135 + ... + 10729915.

Almost surely, 2^{4426416249025} is an apocalyptic number.

4426416249025 is the 2103905-th square number.

4426416249025 is the 1051953-rd centered octagonal number.

It is an amenable number.

4426416249025 is a deficient number, since it is larger than the sum of its proper divisors (1062352944008).

4426416249025 is an frugal number, since it uses more digits than its factorization.

4426416249025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841572 (or 420786 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

Multiplying 4426416249025 by its sum of digits (49), we get a square (216894396202225 = 14727335²).

The spelling of 4426416249025 in words is "four trillion, four hundred twenty-six billion, four hundred sixteen million, two hundred forty-nine thousand, twenty-five".