30744000000 has 840 divisors, whose sum is σ = 128832413424. Its totient is φ = 6912000000.

The previous prime is 30743999989. The next prime is 30744000031. The reversal of 30744000000 is 44703.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 503999970 + ... + 504000030.

Almost surely, 2^30744000000 is an apocalyptic number.

30744000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30744000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64416206712).

30744000000 is an abundant number, since it is smaller than the sum of its proper divisors (98088413424).

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

30744000000 is an frugal number, since it uses more digits than its factorization.

30744000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

Adding to 30744000000 its reverse (44703), we get a palindrome (30744044703).

The spelling of 30744000000 in words is "thirty billion, seven hundred forty-four million", and thus it is an aban number.