2051340434 has 64 divisors (see below), whose sum is σ = 3824271360. Its totient is φ = 811321920.

The previous prime is 2051340409. The next prime is 2051340559. The reversal of 2051340434 is 4340431502.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232687 + ... + 1234349.

It is an arithmetic number, because the mean of its divisors is an integer number (59754240).

Almost surely, 2^2051340434 is an apocalyptic number.

2051340434 is a deficient number, since it is larger than the sum of its proper divisors (1772930926).

2051340434 is a wasteful number, since it uses less digits than its factorization.

2051340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2051340434 is about 45291.7258889524. The cubic root of 2051340434 is about 1270.6109103347.

Adding to 2051340434 its reverse (4340431502), we get a palindrome (6391771936).

The spelling of 2051340434 in words is "two billion, fifty-one million, three hundred forty thousand, four hundred thirty-four".