408943260 has 144 divisors (see below), whose sum is σ = 1360431072. Its totient is φ = 98611200.

The previous prime is 408943259. The next prime is 408943267. The reversal of 408943260 is 62349804.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408943267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476752 + ... + 477608.

It is an arithmetic number, because the mean of its divisors is an integer number (9447438).

Almost surely, 2^408943260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408943260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680215536).

408943260 is an abundant number, since it is smaller than the sum of its proper divisors (951487812).

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

408943260 is a wasteful number, since it uses less digits than its factorization.

408943260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 408943260 is about 20222.3455612844. The cubic root of 408943260 is about 742.2570847718.

The spelling of 408943260 in words is "four hundred eight million, nine hundred forty-three thousand, two hundred sixty".