2149040356 has 12 divisors (see below), whose sum is σ = 3762199168. Its totient is φ = 1074126312.

The previous prime is 2149040303. The next prime is 2149040371. The reversal of 2149040356 is 6530409412.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86016 + ... + 108151.

Almost surely, 2^2149040356 is an apocalyptic number.

It is an amenable number.

2149040356 is a deficient number, since it is larger than the sum of its proper divisors (1613158812).

2149040356 is a wasteful number, since it uses less digits than its factorization.

2149040356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196938 (or 196936 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2149040356 is about 46357.7432151307. The cubic root of 2149040356 is about 1290.4708246720.

Adding to 2149040356 its reverse (6530409412), we get a palindrome (8679449768).

The spelling of 2149040356 in words is "two billion, one hundred forty-nine million, forty thousand, three hundred fifty-six".