407418990 has 32 divisors (see below), whose sum is σ = 1066697856. Its totient is φ = 98768160.

The previous prime is 407418971. The next prime is 407418997. The reversal of 407418990 is 99814704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407418997) 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 15 ways as a sum of consecutive naturals, for example, 616972 + ... + 617631.

It is an arithmetic number, because the mean of its divisors is an integer number (33334308).

Almost surely, 2^407418990 is an apocalyptic number.

407418990 is an abundant number, since it is smaller than the sum of its proper divisors (659278866).

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

407418990 is a wasteful number, since it uses less digits than its factorization.

407418990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234624.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 407418990 is about 20184.6226122759. The cubic root of 407418990 is about 741.3337220959. Note that the first 3 decimals are identical.

The spelling of 407418990 in words is "four hundred seven million, four hundred eighteen thousand, nine hundred ninety".