40944615225 has 12 divisors (see below), whose sum is σ = 67695097296. Its totient is φ = 21837128080.

The previous prime is 40944615221. The next prime is 40944615263. The reversal of 40944615225 is 52251644904.

It is not a de Polignac number, because 40944615225 - 2² = 40944615221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40944615221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272964027 + ... + 272964176.

It is an arithmetic number, because the mean of its divisors is an integer number (5641258108).

Almost surely, 2^40944615225 is an apocalyptic number.

It is an amenable number.

40944615225 is a deficient number, since it is larger than the sum of its proper divisors (26750482071).

40944615225 is a wasteful number, since it uses less digits than its factorization.

40944615225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545928216 (or 545928211 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 40944615225 in words is "forty billion, nine hundred forty-four million, six hundred fifteen thousand, two hundred twenty-five".