40142253025 has 12 divisors (see below), whose sum is σ = 56887307392. Its totient is φ = 27526116240.

The previous prime is 40142253023. The next prime is 40142253029. The reversal of 40142253025 is 52035224104.

It is not a de Polignac number, because 40142253025 - 2¹ = 40142253023 is a prime.

It is a super-2 number, since 2×40142253025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40142252984 and 40142253002.

It is not an unprimeable number, because it can be changed into a prime (40142253023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114691977 + ... + 114692326.

Almost surely, 2^40142253025 is an apocalyptic number.

It is an amenable number.

40142253025 is a deficient number, since it is larger than the sum of its proper divisors (16745054367).

40142253025 is a wasteful number, since it uses less digits than its factorization.

40142253025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229384320 (or 229384315 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40142253025 its reverse (52035224104), we get a palindrome (92177477129).

The spelling of 40142253025 in words is "forty billion, one hundred forty-two million, two hundred fifty-three thousand, twenty-five".