8408040225 has 48 divisors (see below), whose sum is σ = 15216151104. Its totient is φ = 4071456000.

The previous prime is 8408040181. The next prime is 8408040229. The reversal of 8408040225 is 5220408048.

It is a happy number.

It is not a de Polignac number, because 8408040225 - 2⁶ = 8408040161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8408040229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11211 + ... + 130160.

It is an arithmetic number, because the mean of its divisors is an integer number (317003148).

Almost surely, 2^8408040225 is an apocalyptic number.

It is an amenable number.

8408040225 is a deficient number, since it is larger than the sum of its proper divisors (6808110879).

8408040225 is a wasteful number, since it uses less digits than its factorization.

8408040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141458 (or 141453 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 8408040225 is about 91695.3664314615. The cubic root of 8408040225 is about 2033.4410826325.

The spelling of 8408040225 in words is "eight billion, four hundred eight million, forty thousand, two hundred twenty-five".