30502780050 has 48 divisors (see below), whose sum is σ = 76426795872. Its totient is φ = 8050214400.

The previous prime is 30502780039. The next prime is 30502780051. The reversal of 30502780050 is 5008720503.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30502780051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1033656 + ... + 1062755.

It is an arithmetic number, because the mean of its divisors is an integer number (1592224914).

Almost surely, 2^30502780050 is an apocalyptic number.

30502780050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30502780050 is an abundant number, since it is smaller than the sum of its proper divisors (45924015822).

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

30502780050 is a wasteful number, since it uses less digits than its factorization.

30502780050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096523 (or 2096518 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 30502780050 in words is "thirty billion, five hundred two million, seven hundred eighty thousand, fifty".