1040220160 has 128 divisors (see below), whose sum is σ = 2856277440. Its totient is φ = 356253696.

The previous prime is 1040220101. The next prime is 1040220161. The reversal of 1040220160 is 610220401.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1040220161) 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, 1146427 + ... + 1147333.

Almost surely, 2^1040220160 is an apocalyptic number.

1040220160 is a gapful number since it is divisible by the number (10) 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 1040220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428138720).

1040220160 is an abundant number, since it is smaller than the sum of its proper divisors (1816057280).

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

1040220160 is an frugal number, since it uses more digits than its factorization.

1040220160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1040220160 is about 32252.4442484597. Note that the first 3 decimals coincide. The cubic root of 1040220160 is about 1013.2308914600.

Adding to 1040220160 its reverse (610220401), we get a palindrome (1650440561).

The spelling of 1040220160 in words is "one billion, forty million, two hundred twenty thousand, one hundred sixty".