30019369140 has 72 divisors (see below), whose sum is σ = 94198726440. Its totient is φ = 7729123584.

The previous prime is 30019369129. The next prime is 30019369151. The reversal of 30019369140 is 4196391003.

It is an interprime number because it is at equal distance from previous prime (30019369129) and next prime (30019369151).

It can be written as a sum of positive squares in 4 ways, for example, as 8547742116 + 21471627024 = 92454^2 + 146532^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30019369095 and 30019369104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2870199 + ... + 2880638.

It is an arithmetic number, because the mean of its divisors is an integer number (1308315645).

Almost surely, 2^30019369140 is an apocalyptic number.

30019369140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30019369140 is an abundant number, since it is smaller than the sum of its proper divisors (64179357300).

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

30019369140 is a wasteful number, since it uses less digits than its factorization.

30019369140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750881 (or 5750876 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 30019369140 in words is "thirty billion, nineteen million, three hundred sixty-nine thousand, one hundred forty".