620364144446 has 4 divisors (see below), whose sum is σ = 930546216672. Its totient is φ = 310182072222.

The previous prime is 620364144443. The next prime is 620364144481. The reversal of 620364144446 is 644441463026.

620364144446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 620364144397 and 620364144406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620364144443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155091036110 + ... + 155091036113.

It is an arithmetic number, because the mean of its divisors is an integer number (232636554168).

Almost surely, 2^620364144446 is an apocalyptic number.

620364144446 is a deficient number, since it is larger than the sum of its proper divisors (310182072226).

620364144446 is a wasteful number, since it uses less digits than its factorization.

620364144446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310182072225.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 620364144446 in words is "six hundred twenty billion, three hundred sixty-four million, one hundred forty-four thousand, four hundred forty-six".