40254403225 has 9 divisors (see below), whose sum is σ = 49916703967. Its totient is φ = 32202720040.

The previous prime is 40254403223. The next prime is 40254403229. The reversal of 40254403225 is 52230445204.

The square root of 40254403225 is 200635.

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

It can be written as a sum of positive squares in only one way, i.e., 14491585161 + 25762818064 = 120381^2 + 160508^2 .

It is not a de Polignac number, because 40254403225 - 2¹ = 40254403223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40254403223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 983112 + ... + 1023238.

Almost surely, 2^40254403225 is an apocalyptic number.

40254403225 is the 200635-th square number.

40254403225 is the 100318-th centered octagonal number.

It is an amenable number.

40254403225 is a deficient number, since it is larger than the sum of its proper divisors (9662300742).

40254403225 is an frugal number, since it uses more digits than its factorization.

40254403225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80264 (or 40132 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 40254403225 its reverse (52230445204), we get a palindrome (92484848429).

The spelling of 40254403225 in words is "forty billion, two hundred fifty-four million, four hundred three thousand, two hundred twenty-five".