2134534450 has 96 divisors (see below), whose sum is σ = 4416145920. Its totient is φ = 763929600.

The previous prime is 2134534439. The next prime is 2134534453. The reversal of 2134534450 is 544354312.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2134534453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1553964 + ... + 1555336.

It is an arithmetic number, because the mean of its divisors is an integer number (46001520).

Almost surely, 2^2134534450 is an apocalyptic number.

2134534450 is an abundant number, since it is smaller than the sum of its proper divisors (2281611470).

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

2134534450 is a wasteful number, since it uses less digits than its factorization.

2134534450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2134534450 is about 46201.0221748394. The cubic root of 2134534450 is about 1287.5607311033.

Adding to 2134534450 its reverse (544354312), we get a palindrome (2678888762).

The spelling of 2134534450 in words is "two billion, one hundred thirty-four million, five hundred thirty-four thousand, four hundred fifty".