620258815740 has 48 divisors (see below), whose sum is σ = 1757649091968. Its totient is φ = 163409550144.

The previous prime is 620258815721. The next prime is 620258815769. The reversal of 620258815740 is 47518852026.

It is a self number, because there is not a number n which added to its sum of digits gives 620258815740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62270002 + ... + 62279961.

It is an arithmetic number, because the mean of its divisors is an integer number (36617689416).

Almost surely, 2^620258815740 is an apocalyptic number.

620258815740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620258815740 is an abundant number, since it is smaller than the sum of its proper divisors (1137390276228).

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

620258815740 is a wasteful number, since it uses less digits than its factorization.

620258815740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124550058 (or 124550056 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 620258815740 in words is "six hundred twenty billion, two hundred fifty-eight million, eight hundred fifteen thousand, seven hundred forty".