406460280 has 32 divisors (see below), whose sum is σ = 1219381200. Its totient is φ = 108389376.

The previous prime is 406460269. The next prime is 406460287. The reversal of 406460280 is 82064604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406460287) 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, 1693465 + ... + 1693704.

Almost surely, 2^406460280 is an apocalyptic number.

406460280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406460280 is an abundant number, since it is smaller than the sum of its proper divisors (812920920).

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

406460280 is a wasteful number, since it uses less digits than its factorization.

406460280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387183 (or 3387179 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 406460280 is about 20160.8601007001. The cubic root of 406460280 is about 740.7517804293.

The spelling of 406460280 in words is "four hundred six million, four hundred sixty thousand, two hundred eighty".