1052908440 has 64 divisors (see below), whose sum is σ = 3171108960. Its totient is φ = 279674880.

The previous prime is 1052908393. The next prime is 1052908453. The reversal of 1052908440 is 448092501.

1052908440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1052908440² = 2217232366046467200, which contains 22 as substring.

It is a congruent number.

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, 13770 + ... + 47910.

Almost surely, 2^1052908440 is an apocalyptic number.

1052908440 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 1052908440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585554480).

1052908440 is an abundant number, since it is smaller than the sum of its proper divisors (2118200520).

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

1052908440 is a wasteful number, since it uses less digits than its factorization.

1052908440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34412 (or 34408 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1052908440 is about 32448.5506610080. The cubic root of 1052908440 is about 1017.3339449347. Note that the first 3 decimals are identical.

The spelling of 1052908440 in words is "one billion, fifty-two million, nine hundred eight thousand, four hundred forty".