40094055225 has 81 divisors (see below), whose sum is σ = 83581292847. Its totient is φ = 18319099680.

The previous prime is 40094055203. The next prime is 40094055233. The reversal of 40094055225 is 52255049004.

The square root of 40094055225 is 200235.

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

40094055225 is a `hidden beast` number, since 40 + 0 + 9 + 40 + 552 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14433859881 + 25660195344 = 120141^2 + 160188^2 .

It is not a de Polignac number, because 40094055225 - 2¹¹ = 40094053177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40094055225.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 21023722 + ... + 21025628.

Almost surely, 2^40094055225 is an apocalyptic number.

40094055225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40094055225 is the 200235-th square number.

40094055225 is the 100118-th centered octagonal number.

It is an amenable number.

40094055225 is an abundant number, since it is smaller than the sum of its proper divisors (43487237622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40094055225 is an equidigital number, since it uses as much as digits as its factorization.

40094055225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Multiplying 40094055225 by its sum of digits (36), we get a square (1443385988100 = 1201410²).

The spelling of 40094055225 in words is "forty billion, ninety-four million, fifty-five thousand, two hundred twenty-five".