407817042 has 16 divisors (see below), whose sum is σ = 827122752. Its totient is φ = 134024240.

The previous prime is 407817041. The next prime is 407817043. The reversal of 407817042 is 240718704.

It is an interprime number because it is at equal distance from previous prime (407817041) and next prime (407817043).

It is a junction number, because it is equal to n+sod(n) for n = 407816994 and 407817012.

It is not an unprimeable number, because it can be changed into a prime (407817041) 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, 478233 + ... + 479084.

It is an arithmetic number, because the mean of its divisors is an integer number (51695172).

Almost surely, 2^407817042 is an apocalyptic number.

407817042 is an abundant number, since it is smaller than the sum of its proper divisors (419305710).

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

407817042 is a wasteful number, since it uses less digits than its factorization.

407817042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957393.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 407817042 is about 20194.4804835381. The cubic root of 407817042 is about 741.5750734062.

The spelling of 407817042 in words is "four hundred seven million, eight hundred seventeen thousand, forty-two".