2045631356 has 12 divisors (see below), whose sum is σ = 3580207680. Its totient is φ = 1022714880.

The previous prime is 2045631347. The next prime is 2045631359. The reversal of 2045631356 is 6531365402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045631359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38165 + ... + 74483.

It is an arithmetic number, because the mean of its divisors is an integer number (298350640).

Almost surely, 2^2045631356 is an apocalyptic number.

It is an amenable number.

2045631356 is a deficient number, since it is larger than the sum of its proper divisors (1534576324).

2045631356 is a wasteful number, since it uses less digits than its factorization.

2045631356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50404 (or 50402 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2045631356 is about 45228.6563585522. The cubic root of 2045631356 is about 1269.4310709410.

Adding to 2045631356 its reverse (6531365402), we get a palindrome (8576996758).

The spelling of 2045631356 in words is "two billion, forty-five million, six hundred thirty-one thousand, three hundred fifty-six".