620350044 has 12 divisors (see below), whose sum is σ = 1447483464. Its totient is φ = 206783344.

The previous prime is 620349973. The next prime is 620350069. The reversal of 620350044 is 440053026.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 620349996 and 620350023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25847907 + ... + 25847930.

It is an arithmetic number, because the mean of its divisors is an integer number (120623622).

Almost surely, 2^620350044 is an apocalyptic number.

It is an amenable number.

620350044 is an abundant number, since it is smaller than the sum of its proper divisors (827133420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620350044 is a wasteful number, since it uses less digits than its factorization.

620350044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51695844 (or 51695842 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 620350044 is about 24906.8272567985. The cubic root of 620350044 is about 852.8623429667.

The spelling of 620350044 in words is "six hundred twenty million, three hundred fifty thousand, forty-four".