8451263258140 has 12 divisors (see below), whose sum is σ = 17747652842136. Its totient is φ = 3380505303248.

The previous prime is 8451263258107. The next prime is 8451263258149. The reversal of 8451263258140 is 418523621548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8451263258149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211281581434 + ... + 211281581473.

It is an arithmetic number, because the mean of its divisors is an integer number (1478971070178).

Almost surely, 2^{8451263258140} is an apocalyptic number.

It is an amenable number.

8451263258140 is an abundant number, since it is smaller than the sum of its proper divisors (9296389583996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8451263258140 is a wasteful number, since it uses less digits than its factorization.

8451263258140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422563162916 (or 422563162914 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

Adding to 8451263258140 its reverse (418523621548), we get a palindrome (8869786879688).

The spelling of 8451263258140 in words is "eight trillion, four hundred fifty-one billion, two hundred sixty-three million, two hundred fifty-eight thousand, one hundred forty".