1040221210 has 64 divisors (see below), whose sum is σ = 2174376960. Its totient is φ = 350945280.

The previous prime is 1040221201. The next prime is 1040221223. The reversal of 1040221210 is 121220401.

It is a happy 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, 1622490 + ... + 1623130.

It is an arithmetic number, because the mean of its divisors is an integer number (33974640).

Almost surely, 2^1040221210 is an apocalyptic number.

1040221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040221210 is an abundant number, since it is smaller than the sum of its proper divisors (1134155750).

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

1040221210 is a wasteful number, since it uses less digits than its factorization.

1040221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1040221210 is about 32252.4605262916. The cubic root of 1040221210 is about 1013.2312323789.

Adding to 1040221210 its reverse (121220401), we get a palindrome (1161441611).

The spelling of 1040221210 in words is "one billion, forty million, two hundred twenty-one thousand, two hundred ten".