620875554824448 has 1152 divisors, whose sum is σ = 2322474361159680. Its totient is φ = 158916473856000.

The previous prime is 620875554824443. The next prime is 620875554824491. The reversal of 620875554824448 is 844428455578026.

620875554824448 is a `hidden beast` number, since 6 + 2 + 0 + 8 + 7 + 5 + 554 + 8 + 24 + 4 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×620875554824448² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (620875554824443) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 145370064553 + ... + 145370068823.

It is an arithmetic number, because the mean of its divisors is an integer number (2016036771840).

Almost surely, 2^{620875554824448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620875554824448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161237180579840).

620875554824448 is an abundant number, since it is smaller than the sum of its proper divisors (1701598806335232).

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

620875554824448 is a wasteful number, since it uses less digits than its factorization.

620875554824448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 2752512000, while the sum is 72.

The spelling of 620875554824448 in words is "six hundred twenty trillion, eight hundred seventy-five billion, five hundred fifty-four million, eight hundred twenty-four thousand, four hundred forty-eight".