40542441225 has 48 divisors (see below), whose sum is σ = 78748751424. Its totient is φ = 18144864000.

The previous prime is 40542441131. The next prime is 40542441241. The reversal of 40542441225 is 52214424504.

It is not a de Polignac number, because 40542441225 - 2¹¹ = 40542439177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1879366 + ... + 1900815.

It is an arithmetic number, because the mean of its divisors is an integer number (1640598988).

Almost surely, 2^40542441225 is an apocalyptic number.

It is an amenable number.

40542441225 is a deficient number, since it is larger than the sum of its proper divisors (38206310199).

40542441225 is a wasteful number, since it uses less digits than its factorization.

40542441225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780218 (or 3780213 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 40542441225 its reverse (52214424504), we get a palindrome (92756865729).

The spelling of 40542441225 in words is "forty billion, five hundred forty-two million, four hundred forty-one thousand, two hundred twenty-five".