620350450 has 24 divisors (see below), whose sum is σ = 1156644720. Its totient is φ = 247539600.

The previous prime is 620350429. The next prime is 620350469. The reversal of 620350450 is 54053026.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6145 + ... + 35755.

It is an arithmetic number, because the mean of its divisors is an integer number (48193530).

Almost surely, 2^620350450 is an apocalyptic number.

620350450 is a deficient number, since it is larger than the sum of its proper divisors (536294270).

620350450 is a wasteful number, since it uses less digits than its factorization.

620350450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042 (or 30037 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 620350450 is about 24906.8354071729. The cubic root of 620350450 is about 852.8625290240.

The spelling of 620350450 in words is "six hundred twenty million, three hundred fifty thousand, four hundred fifty".