2620651442 has 8 divisors (see below), whose sum is σ = 3931303296. Its totient is φ = 1310217012.

The previous prime is 2620651421. The next prime is 2620651457. The reversal of 2620651442 is 2441560262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2620651399 and 2620651408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19838 + ... + 75065.

It is an arithmetic number, because the mean of its divisors is an integer number (491412912).

Almost surely, 2^2620651442 is an apocalyptic number.

2620651442 is a deficient number, since it is larger than the sum of its proper divisors (1310651854).

2620651442 is a wasteful number, since it uses less digits than its factorization.

2620651442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108712.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2620651442 is about 51192.2986590757. The cubic root of 2620651442 is about 1378.6999311868.

The spelling of 2620651442 in words is "two billion, six hundred twenty million, six hundred fifty-one thousand, four hundred forty-two".