30151301440 has 112 divisors (see below), whose sum is σ = 78780150288. Its totient is φ = 10922655744.

The previous prime is 30151301417. The next prime is 30151301441. The reversal of 30151301440 is 4410315103.

It can be written as a sum of positive squares in 8 ways, for example, as 3935805696 + 26215495744 = 62736^2 + 161912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30151301441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152104 + ... + 288856.

It is an arithmetic number, because the mean of its divisors is an integer number (703394199).

Almost surely, 2^30151301440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30151301440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39390075144).

30151301440 is an abundant number, since it is smaller than the sum of its proper divisors (48628848848).

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

30151301440 is a wasteful number, since it uses less digits than its factorization.

30151301440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136836 (or 136826 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 30151301440 its reverse (4410315103), we get a palindrome (34561616543).

The spelling of 30151301440 in words is "thirty billion, one hundred fifty-one million, three hundred one thousand, four hundred forty".