40024204225 has 12 divisors (see below), whose sum is σ = 49638072960. Its totient is φ = 32014163600.

The previous prime is 40024204219. The next prime is 40024204243. The reversal of 40024204225 is 52240242004.

It is not a de Polignac number, because 40024204225 - 2¹⁹ = 40023679937 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 40024204225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30936 + ... + 284614.

It is an arithmetic number, because the mean of its divisors is an integer number (4136506080).

Almost surely, 2^40024204225 is an apocalyptic number.

It is an amenable number.

40024204225 is a deficient number, since it is larger than the sum of its proper divisors (9613868735).

40024204225 is a wasteful number, since it uses less digits than its factorization.

40024204225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260000 (or 259995 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 40024204225 its reverse (52240242004), we get a palindrome (92264446229).

The spelling of 40024204225 in words is "forty billion, twenty-four million, two hundred four thousand, two hundred twenty-five".