2041121640 has 64 divisors (see below), whose sum is σ = 6253666560. Its totient is φ = 532716800.

The previous prime is 2041121633. The next prime is 2041121653. The reversal of 2041121640 is 461211402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175311 + ... + 186590.

It is an arithmetic number, because the mean of its divisors is an integer number (97713540).

Almost surely, 2^2041121640 is an apocalyptic number.

2041121640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041121640 is an abundant number, since it is smaller than the sum of its proper divisors (4212544920).

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

2041121640 is a wasteful number, since it uses less digits than its factorization.

2041121640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361962 (or 361958 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2041121640 is about 45178.7742197594. The cubic root of 2041121640 is about 1268.4975391616.

The spelling of 2041121640 in words is "two billion, forty-one million, one hundred twenty-one thousand, six hundred forty".