408136080 has 160 divisors (see below), whose sum is σ = 1425051648. Its totient is φ = 95731200.

The previous prime is 408136073. The next prime is 408136097. The reversal of 408136080 is 80631804.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79347 + ... + 84333.

Almost surely, 2^408136080 is an apocalyptic number.

408136080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408136080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712525824).

408136080 is an abundant number, since it is smaller than the sum of its proper divisors (1016915568).

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

408136080 is a wasteful number, since it uses less digits than its factorization.

408136080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 408136080 is about 20202.3780778402. The cubic root of 408136080 is about 741.7684027142.

Adding to 408136080 its reverse (80631804), we get a palindrome (488767884).

The spelling of 408136080 in words is "four hundred eight million, one hundred thirty-six thousand, eighty".