1064340540 has 96 divisors (see below), whose sum is σ = 3351317760. Its totient is φ = 280392768.

The previous prime is 1064340527. The next prime is 1064340593. The reversal of 1064340540 is 450434601.

1064340540 is a `hidden beast` number, since 10 + 643 + 4 + 0 + 5 + 4 + 0 = 666.

It is a super-2 number, since 2×1064340540² = 2265641570174983200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 32947 + ... + 56693.

It is an arithmetic number, because the mean of its divisors is an integer number (34909560).

Almost surely, 2^1064340540 is an apocalyptic number.

1064340540 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 1064340540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675658880).

1064340540 is an abundant number, since it is smaller than the sum of its proper divisors (2286977220).

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

1064340540 is a wasteful number, since it uses less digits than its factorization.

1064340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23848 (or 23840 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1064340540 is about 32624.2324047632. The cubic root of 1064340540 is about 1021.0026473052.

The spelling of 1064340540 in words is "one billion, sixty-four million, three hundred forty thousand, five hundred forty".