30366990720 has 896 divisors, whose sum is σ = 121930008480. Its totient is φ = 7166361600.

The previous prime is 30366990697. The next prime is 30366990733. The reversal of 30366990720 is 2709966303.

It is a super-2 number, since 2×30366990720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 313061712 + ... + 313061808.

Almost surely, 2^30366990720 is an apocalyptic number.

30366990720 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 30366990720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60965004240).

30366990720 is an abundant number, since it is smaller than the sum of its proper divisors (91563017760).

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

30366990720 is an equidigital number, since it uses as much as digits as its factorization.

30366990720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 30366990720 in words is "thirty billion, three hundred sixty-six million, nine hundred ninety thousand, seven hundred twenty".