1052446720 has 208 divisors, whose sum is σ = 2807219520. Its totient is φ = 376307712.

The previous prime is 1052446709. The next prime is 1052446739. The reversal of 1052446720 is 276442501.

It is a tau number, because it is divible by the number of its divisors (208).

It is a super-2 number, since 2×1052446720² = 2215288196877516800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15708127 + ... + 15708193.

Almost surely, 2^1052446720 is an apocalyptic number.

1052446720 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 1052446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403609760).

1052446720 is an abundant number, since it is smaller than the sum of its proper divisors (1754772800).

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

1052446720 is an equidigital number, since it uses as much as digits as its factorization.

1052446720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1052446720 is about 32441.4352333555. The cubic root of 1052446720 is about 1017.1852165525.

The spelling of 1052446720 in words is "one billion, fifty-two million, four hundred forty-six thousand, seven hundred twenty".