406622160 has 160 divisors (see below), whose sum is σ = 1600730880. Its totient is φ = 92938752.

The previous prime is 406622131. The next prime is 406622179. The reversal of 406622160 is 61226604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 1674 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (10004568).

Almost surely, 2^406622160 is an apocalyptic number.

406622160 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 406622160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800365440).

406622160 is an abundant number, since it is smaller than the sum of its proper divisors (1194108720).

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

406622160 is a wasteful number, since it uses less digits than its factorization.

406622160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26922 (or 26910 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 406622160 is about 20164.8744107173. The cubic root of 406622160 is about 740.8501065458.

Adding to 406622160 its reverse (61226604), we get a palindrome (467848764).

The spelling of 406622160 in words is "four hundred six million, six hundred twenty-two thousand, one hundred sixty".