1650420630 has 64 divisors (see below), whose sum is σ = 4404741120. Its totient is φ = 439750368.

The previous prime is 1650420613. The next prime is 1650420647. The reversal of 1650420630 is 360240561.

1650420630 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 4 + 20 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (1650420613) and next prime (1650420647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1650420594 and 1650420603.

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, 555529 + ... + 558491.

It is an arithmetic number, because the mean of its divisors is an integer number (68824080).

Almost surely, 2^1650420630 is an apocalyptic number.

1650420630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1650420630 is an abundant number, since it is smaller than the sum of its proper divisors (2754320490).

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

1650420630 is a wasteful number, since it uses less digits than its factorization.

1650420630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1650420630 is about 40625.3692906292. The cubic root of 1650420630 is about 1181.7661548784.

The spelling of 1650420630 in words is "one billion, six hundred fifty million, four hundred twenty thousand, six hundred thirty".