2051326430 has 16 divisors (see below), whose sum is σ = 3693797424. Its totient is φ = 820217280.

The previous prime is 2051326429. The next prime is 2051326447. The reversal of 2051326430 is 346231502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051326430.

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, 10676 + ... + 64935.

It is an arithmetic number, because the mean of its divisors is an integer number (230862339).

Almost surely, 2^2051326430 is an apocalyptic number.

2051326430 is a deficient number, since it is larger than the sum of its proper divisors (1642470994).

2051326430 is a wasteful number, since it uses less digits than its factorization.

2051326430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78331.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2051326430 is about 45291.5712909146. The cubic root of 2051326430 is about 1270.6080189447.

Adding to 2051326430 its reverse (346231502), we get a palindrome (2397557932).

The spelling of 2051326430 in words is "two billion, fifty-one million, three hundred twenty-six thousand, four hundred thirty".