407138895 has 24 divisors (see below), whose sum is σ = 706539600. Its totient is φ = 216884736.

The previous prime is 407138891. The next prime is 407138947. The reversal of 407138895 is 598831704.

It is not a de Polignac number, because 407138895 - 2² = 407138891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 407138895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407138891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36936 + ... + 46674.

It is an arithmetic number, because the mean of its divisors is an integer number (29439150).

Almost surely, 2^407138895 is an apocalyptic number.

407138895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

407138895 is a deficient number, since it is larger than the sum of its proper divisors (299400705).

407138895 is a wasteful number, since it uses less digits than its factorization.

407138895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10679 (or 10676 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 407138895 is about 20177.6830929619. The cubic root of 407138895 is about 741.1637975413.

The spelling of 407138895 in words is "four hundred seven million, one hundred thirty-eight thousand, eight hundred ninety-five".