2632420678 has 4 divisors (see below), whose sum is σ = 3948631020. Its totient is φ = 1316210338.

The previous prime is 2632420669. The next prime is 2632420691. The reversal of 2632420678 is 8760242362.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2632420678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658105168 + ... + 658105171.

It is an arithmetic number, because the mean of its divisors is an integer number (987157755).

Almost surely, 2^2632420678 is an apocalyptic number.

2632420678 is a deficient number, since it is larger than the sum of its proper divisors (1316210342).

2632420678 is a wasteful number, since it uses less digits than its factorization.

2632420678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316210341.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 2632420678 is about 51307.1211236803. The cubic root of 2632420678 is about 1380.7607438236.

The spelling of 2632420678 in words is "two billion, six hundred thirty-two million, four hundred twenty thousand, six hundred seventy-eight".