2909634940 has 12 divisors (see below), whose sum is σ = 6110233416. Its totient is φ = 1163853968.

The previous prime is 2909634887. The next prime is 2909634943. The reversal of 2909634940 is 494369092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909634943) by changing a digit.

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, 72740854 + ... + 72740893.

It is an arithmetic number, because the mean of its divisors is an integer number (509186118).

Almost surely, 2^2909634940 is an apocalyptic number.

2909634940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2909634940 is an abundant number, since it is smaller than the sum of its proper divisors (3200598476).

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

2909634940 is a wasteful number, since it uses less digits than its factorization.

2909634940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145481756 (or 145481754 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 2909634940 is about 53941.0320627998. The cubic root of 2909634940 is about 1427.6206933264.

The spelling of 2909634940 in words is "two billion, nine hundred nine million, six hundred thirty-four thousand, nine hundred forty".