40220160 has 80 divisors (see below), whose sum is σ = 128603376. Its totient is φ = 10723328.

The previous prime is 40220143. The next prime is 40220183. The reversal of 40220160 is 6102204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×40220160² = 3235322540851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062 + ... + 10298.

Almost surely, 2^40220160 is an apocalyptic number.

40220160 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 40220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64301688).

40220160 is an abundant number, since it is smaller than the sum of its proper divisors (88383216).

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

40220160 is an equidigital number, since it uses as much as digits as its factorization.

40220160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 5247 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40220160 is about 6341.9366127390. The cubic root of 40220160 is about 342.6214888601.

Adding to 40220160 its reverse (6102204), we get a palindrome (46322364).

The spelling of 40220160 in words is "forty million, two hundred twenty thousand, one hundred sixty".