30502799040 has 448 divisors, whose sum is σ = 112960733184. Its totient is φ = 6830272512.

The previous prime is 30502799039. The next prime is 30502799051. The reversal of 30502799040 is 4099720503.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 30502799040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87904147 + ... + 87904493.

Almost surely, 2^30502799040 is an apocalyptic number.

30502799040 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 30502799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56480366592).

30502799040 is an abundant number, since it is smaller than the sum of its proper divisors (82457934144).

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

30502799040 is a wasteful number, since it uses less digits than its factorization.

30502799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 30502799040 in words is "thirty billion, five hundred two million, seven hundred ninety-nine thousand, forty".