621250080 has 192 divisors, whose sum is σ = 2158627968. Its totient is φ = 148930560.

The previous prime is 621250031. The next prime is 621250211. The reversal of 621250080 is 80052126.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 621250080.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511554 + ... + 512766.

It is an arithmetic number, because the mean of its divisors is an integer number (11242854).

Almost surely, 2^621250080 is an apocalyptic number.

621250080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621250080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079313984).

621250080 is an abundant number, since it is smaller than the sum of its proper divisors (1537377888).

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

621250080 is a wasteful number, since it uses less digits than its factorization.

621250080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 621250080 is about 24924.8887660507. Note that the first 3 decimals coincide. The cubic root of 621250080 is about 853.2746026203.

The spelling of 621250080 in words is "six hundred twenty-one million, two hundred fifty thousand, eighty".