40015322225 has 24 divisors (see below), whose sum is σ = 50115542400. Its totient is φ = 31693064000.

The previous prime is 40015322201. The next prime is 40015322233. The reversal of 40015322225 is 52222351004.

It is not a de Polignac number, because 40015322225 - 2¹⁶ = 40015256689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40015322194 and 40015322203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1397351 + ... + 1425699.

It is an arithmetic number, because the mean of its divisors is an integer number (2088147600).

Almost surely, 2^40015322225 is an apocalyptic number.

It is an amenable number.

40015322225 is a deficient number, since it is larger than the sum of its proper divisors (10100220175).

40015322225 is a wasteful number, since it uses less digits than its factorization.

40015322225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28921 (or 28916 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40015322225 its reverse (52222351004), we get a palindrome (92237673229).

The spelling of 40015322225 in words is "forty billion, fifteen million, three hundred twenty-two thousand, two hundred twenty-five".