1036762640 has 20 divisors (see below), whose sum is σ = 2410473324. Its totient is φ = 414705024.

The previous prime is 1036762631. The next prime is 1036762693. The reversal of 1036762640 is 462676301.

It can be written as a sum of positive squares in 2 ways, for example, as 554696704 + 482065936 = 23552^2 + 21956^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1036762640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6479687 + ... + 6479846.

Almost surely, 2^1036762640 is an apocalyptic number.

1036762640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1036762640 is an abundant number, since it is smaller than the sum of its proper divisors (1373710684).

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

1036762640 is a wasteful number, since it uses less digits than its factorization.

1036762640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959546 (or 12959540 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1036762640 is about 32198.7987353566. The cubic root of 1036762640 is about 1012.1070413317.

The spelling of 1036762640 in words is "one billion, thirty-six million, seven hundred sixty-two thousand, six hundred forty".