2045729626 has 32 divisors (see below), whose sum is σ = 3164676480. Its totient is φ = 991474176.

The previous prime is 2045729617. The next prime is 2045729627. The reversal of 2045729626 is 6269275402.

It is not an unprimeable number, because it can be changed into a prime (2045729627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528310 + ... + 2529118.

It is an arithmetic number, because the mean of its divisors is an integer number (98896140).

Almost surely, 2^2045729626 is an apocalyptic number.

2045729626 is a deficient number, since it is larger than the sum of its proper divisors (1118946854).

2045729626 is a wasteful number, since it uses less digits than its factorization.

2045729626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2045729626 is about 45229.7427142804. The cubic root of 2045729626 is about 1269.4513979977.

The spelling of 2045729626 in words is "two billion, forty-five million, seven hundred twenty-nine thousand, six hundred twenty-six".