1064336540 has 96 divisors (see below), whose sum is σ = 2390472000. Its totient is φ = 397393920.

The previous prime is 1064336531. The next prime is 1064336551. The reversal of 1064336540 is 456334601.

It is a super-2 number, since 2×1064336540² = 2265624540758343200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064336497 and 1064336506.

It is a congruent 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, 2370236 + ... + 2370684.

It is an arithmetic number, because the mean of its divisors is an integer number (24900750).

Almost surely, 2^1064336540 is an apocalyptic number.

1064336540 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 1064336540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195236000).

1064336540 is an abundant number, since it is smaller than the sum of its proper divisors (1326135460).

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

1064336540 is a wasteful number, since it uses less digits than its factorization.

1064336540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1064336540 is about 32624.1711005812. The cubic root of 1064336540 is about 1021.0013682611.

The spelling of 1064336540 in words is "one billion, sixty-four million, three hundred thirty-six thousand, five hundred forty".