2034551778 has 32 divisors (see below), whose sum is σ = 4674029184. Its totient is φ = 578347392.

The previous prime is 2034551773. The next prime is 2034551797. The reversal of 2034551778 is 8771554302.

2034551778 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2034551778² = 8278801874725922568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2034551773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114675 + ... + 131222.

It is an arithmetic number, because the mean of its divisors is an integer number (146063412).

Almost surely, 2^2034551778 is an apocalyptic number.

2034551778 is an abundant number, since it is smaller than the sum of its proper divisors (2639477406).

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

2034551778 is a wasteful number, since it uses less digits than its factorization.

2034551778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246106.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 2034551778 is about 45106.0060080695. The cubic root of 2034551778 is about 1267.1350838049.

The spelling of 2034551778 in words is "two billion, thirty-four million, five hundred fifty-one thousand, seven hundred seventy-eight".