407404090 has 16 divisors (see below), whose sum is σ = 733653288. Its totient is φ = 162889216.

The previous prime is 407404079. The next prime is 407404111. The reversal of 407404090 is 90404704.

It can be written as a sum of positive squares in 4 ways, for example, as 243640881 + 163763209 = 15609^2 + 12797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18594 + ... + 34066.

Almost surely, 2^407404090 is an apocalyptic number.

407404090 is a deficient number, since it is larger than the sum of its proper divisors (326249198).

407404090 is a wasteful number, since it uses less digits than its factorization.

407404090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 407404090 is about 20184.2535160456. The cubic root of 407404090 is about 741.3246847106.

Adding to 407404090 its reverse (90404704), we get a palindrome (497808794).

The spelling of 407404090 in words is "four hundred seven million, four hundred four thousand, ninety".