1044153220 has 24 divisors (see below), whose sum is σ = 2392060608. Its totient is φ = 379692000.

The previous prime is 1044153211. The next prime is 1044153239. The reversal of 1044153220 is 223514401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1044153191 and 1044153200.

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, 2372856 + ... + 2373295.

It is an arithmetic number, because the mean of its divisors is an integer number (99669192).

Almost surely, 2^1044153220 is an apocalyptic number.

1044153220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044153220 is an abundant number, since it is smaller than the sum of its proper divisors (1347907388).

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

1044153220 is a wasteful number, since it uses less digits than its factorization.

1044153220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746171 (or 4746169 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1044153220 is about 32313.3597757955. The cubic root of 1044153220 is about 1014.5062900185.

Adding to 1044153220 its reverse (223514401), we get a palindrome (1267667621).

The spelling of 1044153220 in words is "one billion, forty-four million, one hundred fifty-three thousand, two hundred twenty".