445755730735425 has 48 divisors (see below), whose sum is σ = 804021771509568. Its totient is φ = 216113096505600.

The previous prime is 445755730735421. The next prime is 445755730735453. The reversal of 445755730735425 is 524537037557544.

It is not a de Polignac number, because 445755730735425 - 2² = 445755730735421 is a prime.

It is a super-2 number, since 2×445755730735425² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445755730735421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2770959 + ... + 29986491.

It is an arithmetic number, because the mean of its divisors is an integer number (16750453573116).

Almost surely, 2^{445755730735425} is an apocalyptic number.

It is an amenable number.

445755730735425 is a deficient number, since it is larger than the sum of its proper divisors (358266040774143).

445755730735425 is a wasteful number, since it uses less digits than its factorization.

445755730735425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27235410 (or 27235405 counting only the distinct ones).

The product of its (nonzero) digits is 1234800000, while the sum is 66.

The spelling of 445755730735425 in words is "four hundred forty-five trillion, seven hundred fifty-five billion, seven hundred thirty million, seven hundred thirty-five thousand, four hundred twenty-five".