30790210050 has 60 divisors (see below), whose sum is σ = 85551180066. Its totient is φ = 8210721600.

The previous prime is 30790210021. The next prime is 30790210051. The reversal of 30790210050 is 5001209703.

It can be written as a sum of positive squares in 3 ways, for example, as 18014203089 + 12776006961 = 134217^2 + 113031^2 .

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 = 30790209996 and 30790210023.

It is not an unprimeable number, because it can be changed into a prime (30790210051) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3797211 + ... + 3805310.

Almost surely, 2^30790210050 is an apocalyptic number.

30790210050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30790210050 is an abundant number, since it is smaller than the sum of its proper divisors (54760970016).

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

30790210050 is a wasteful number, since it uses less digits than its factorization.

30790210050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602545 (or 7602531 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

Adding to 30790210050 its reverse (5001209703), we get a palindrome (35791419753).

The spelling of 30790210050 in words is "thirty billion, seven hundred ninety million, two hundred ten thousand, fifty".