40242310425 has 18 divisors (see below), whose sum is σ = 72078449742. Its totient is φ = 21462565440.

The previous prime is 40242310421. The next prime is 40242310453. The reversal of 40242310425 is 52401324204.

40242310425 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 231 + 0 + 425 = 666.

40242310425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1597041369 + 38645269056 = 39963^2 + 196584^2 .

It is not a de Polignac number, because 40242310425 - 2² = 40242310421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242310421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89427132 + ... + 89427581.

It is an arithmetic number, because the mean of its divisors is an integer number (4004358319).

Almost surely, 2^40242310425 is an apocalyptic number.

40242310425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40242310425 is a deficient number, since it is larger than the sum of its proper divisors (31836139317).

40242310425 is a wasteful number, since it uses less digits than its factorization.

40242310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178854729 (or 178854721 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40242310425 its reverse (52401324204), we get a palindrome (92643634629).

The spelling of 40242310425 in words is "forty billion, two hundred forty-two million, three hundred ten thousand, four hundred twenty-five".