620064480 has 192 divisors, whose sum is σ = 2304626688. Its totient is φ = 137134080.

The previous prime is 620064469. The next prime is 620064499. The reversal of 620064480 is 84460026.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 101184 + ... + 107136.

It is an arithmetic number, because the mean of its divisors is an integer number (12003264).

Almost surely, 2^620064480 is an apocalyptic number.

620064480 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 620064480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152313344).

620064480 is an abundant number, since it is smaller than the sum of its proper divisors (1684562208).

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

620064480 is a wasteful number, since it uses less digits than its factorization.

620064480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 6001 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 620064480 is about 24901.0939518729. The cubic root of 620064480 is about 852.7314576359.

The spelling of 620064480 in words is "six hundred twenty million, sixty-four thousand, four hundred eighty".