451261260488 has 32 divisors (see below), whose sum is σ = 847232719200. Its totient is φ = 225332744448.

The previous prime is 451261260481. The next prime is 451261260497. The reversal of 451261260488 is 884062162154.

It is not an unprimeable number, because it can be changed into a prime (451261260481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19605995 + ... + 19628997.

It is an arithmetic number, because the mean of its divisors is an integer number (26476022475).

Almost surely, 2^451261260488 is an apocalyptic number.

It is an amenable number.

451261260488 is a deficient number, since it is larger than the sum of its proper divisors (395971458712).

451261260488 is a wasteful number, since it uses less digits than its factorization.

451261260488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26141 (or 26137 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 451261260488 in words is "four hundred fifty-one billion, two hundred sixty-one million, two hundred sixty thousand, four hundred eighty-eight".