1064552140 has 48 divisors (see below), whose sum is σ = 2379736800. Its totient is φ = 398863872.

The previous prime is 1064552101. The next prime is 1064552147. The reversal of 1064552140 is 412554601.

It is a super-2 number, since 2×1064552140² = 2266542517557159200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064552099 and 1064552108.

It is not an unprimeable number, because it can be changed into a prime (1064552147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18082 + ... + 49558.

It is an arithmetic number, because the mean of its divisors is an integer number (49577850).

Almost surely, 2^1064552140 is an apocalyptic number.

1064552140 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 1064552140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189868400).

1064552140 is an abundant number, since it is smaller than the sum of its proper divisors (1315184660).

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

1064552140 is a wasteful number, since it uses less digits than its factorization.

1064552140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31594 (or 31592 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1064552140 is about 32627.4752317736. The cubic root of 1064552140 is about 1021.0703041740.

The spelling of 1064552140 in words is "one billion, sixty-four million, five hundred fifty-two thousand, one hundred forty".