2036349640 has 32 divisors (see below), whose sum is σ = 4934233080. Its totient is φ = 751882752.

The previous prime is 2036349631. The next prime is 2036349647. The reversal of 2036349640 is 469436302.

It can be written as a sum of positive squares in 4 ways, for example, as 696643236 + 1339706404 = 26394^2 + 36602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2036349640.

It is not an unprimeable number, because it can be changed into a prime (2036349647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957509 + ... + 1958548.

Almost surely, 2^2036349640 is an apocalyptic number.

2036349640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2036349640 is an abundant number, since it is smaller than the sum of its proper divisors (2897883440).

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

2036349640 is a wasteful number, since it uses less digits than its factorization.

2036349640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916081 (or 3916077 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 2036349640 is about 45125.9309045254. The cubic root of 2036349640 is about 1267.5082148526.

The spelling of 2036349640 in words is "two billion, thirty-six million, three hundred forty-nine thousand, six hundred forty".