30061396992 has 176 divisors, whose sum is σ = 87693480000. Its totient is φ = 9079848960.

The previous prime is 30061396961. The next prime is 30061397011. The reversal of 30061396992 is 29969316003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (176).

It is a super-2 number, since 2×30061396992² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11792134 + ... + 11794682.

Almost surely, 2^30061396992 is an apocalyptic number.

30061396992 is a gapful number since it is divisible by the number (32) 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 30061396992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43846740000).

30061396992 is an abundant number, since it is smaller than the sum of its proper divisors (57632083008).

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

30061396992 is a wasteful number, since it uses less digits than its factorization.

30061396992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 30061396992 in words is "thirty billion, sixty-one million, three hundred ninety-six thousand, nine hundred ninety-two".