2134836440 has 32 divisors (see below), whose sum is σ = 5240054160. Its totient is φ = 776304000.

The previous prime is 2134836433. The next prime is 2134836461. The reversal of 2134836440 is 446384312.

It is a self number, because there is not a number n which added to its sum of digits gives 2134836440.

It is a congruent number.

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, 2425511 + ... + 2426390.

Almost surely, 2^2134836440 is an apocalyptic number.

2134836440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134836440 is an abundant number, since it is smaller than the sum of its proper divisors (3105217720).

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

2134836440 is a wasteful number, since it uses less digits than its factorization.

2134836440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851923 (or 4851919 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2134836440 is about 46204.2902769862. The cubic root of 2134836440 is about 1287.6214488131.

The spelling of 2134836440 in words is "two billion, one hundred thirty-four million, eight hundred thirty-six thousand, four hundred forty".