620245402444 has 6 divisors (see below), whose sum is σ = 1085429454284. Its totient is φ = 310122701220.

The previous prime is 620245402429. The next prime is 620245402451. The reversal of 620245402444 is 444204542026.

It is a super-3 number, since 3×620245402444³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77530675302 + ... + 77530675309.

Almost surely, 2^620245402444 is an apocalyptic number.

It is an amenable number.

620245402444 is a deficient number, since it is larger than the sum of its proper divisors (465184051840).

620245402444 is a wasteful number, since it uses less digits than its factorization.

620245402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155061350615 (or 155061350613 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

The spelling of 620245402444 in words is "six hundred twenty billion, two hundred forty-five million, four hundred two thousand, four hundred forty-four".