1064934540 has 120 divisors (see below), whose sum is σ = 3349119312. Its totient is φ = 283271040.

The previous prime is 1064934539. The next prime is 1064934551. The reversal of 1064934540 is 454394601.

1064934540 is a `hidden beast` number, since 1 + 0 + 649 + 3 + 4 + 5 + 4 + 0 = 666.

It is a super-2 number, since 2×1064934540² = 2268171148970023200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1064934495 and 1064934504.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1096255 + ... + 1097225.

Almost surely, 2^1064934540 is an apocalyptic number.

1064934540 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 1064934540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674559656).

1064934540 is an abundant number, since it is smaller than the sum of its proper divisors (2284184772).

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

1064934540 is a wasteful number, since it uses less digits than its factorization.

1064934540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1064934540 is about 32633.3347974123. The cubic root of 1064934540 is about 1021.1925498040.

The spelling of 1064934540 in words is "one billion, sixty-four million, nine hundred thirty-four thousand, five hundred forty".