2105155464 has 32 divisors (see below), whose sum is σ = 5539884000. Its totient is φ = 664785792.

The previous prime is 2105155453. The next prime is 2105155487. The reversal of 2105155464 is 4645515012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307829 + ... + 2308740.

It is an arithmetic number, because the mean of its divisors is an integer number (173121375).

Almost surely, 2^2105155464 is an apocalyptic number.

2105155464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2105155464 is an abundant number, since it is smaller than the sum of its proper divisors (3434728536).

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

2105155464 is a wasteful number, since it uses less digits than its factorization.

2105155464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616597 (or 4616593 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 2105155464 is about 45881.9731920936. The cubic root of 2105155464 is about 1281.6262419015.

The spelling of 2105155464 in words is "two billion, one hundred five million, one hundred fifty-five thousand, four hundred sixty-four".