406404360 has 48 divisors (see below), whose sum is σ = 1320815340. Its totient is φ = 108374400.

The previous prime is 406404307. The next prime is 406404373. The reversal of 406404360 is 63404604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 389904516 + 16499844 = 19746^2 + 4062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564091 + ... + 564810.

Almost surely, 2^406404360 is an apocalyptic number.

406404360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406404360 is an abundant number, since it is smaller than the sum of its proper divisors (914410980).

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

406404360 is a wasteful number, since it uses less digits than its factorization.

406404360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128918 (or 1128911 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 406404360 is about 20159.4732074030. The cubic root of 406404360 is about 740.7178084839.

Adding to 406404360 its reverse (63404604), we get a palindrome (469808964).

The spelling of 406404360 in words is "four hundred six million, four hundred four thousand, three hundred sixty".