40332121225 has 24 divisors (see below), whose sum is σ = 55483100640. Its totient is φ = 28835280000.

The previous prime is 40332121163. The next prime is 40332121231. The reversal of 40332121225 is 52212123304.

It is not a de Polignac number, because 40332121225 - 2²⁷ = 40197903497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40332121225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1226676 + ... + 1259125.

It is an arithmetic number, because the mean of its divisors is an integer number (2311795860).

Almost surely, 2^40332121225 is an apocalyptic number.

It is an amenable number.

40332121225 is a deficient number, since it is larger than the sum of its proper divisors (15150979415).

40332121225 is a wasteful number, since it uses less digits than its factorization.

40332121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485881 (or 2485876 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40332121225 its reverse (52212123304), we get a palindrome (92544244529).

The spelling of 40332121225 in words is "forty billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-five".