30151264 has 72 divisors (see below), whose sum is σ = 70383600. Its totient is φ = 12629760.

The previous prime is 30151259. The next prime is 30151279. The reversal of 30151264 is 46215103.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50037 + ... + 50635.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^30151264 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 30151264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35191800).

30151264 is an abundant number, since it is smaller than the sum of its proper divisors (40232336).

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

30151264 is a wasteful number, since it uses less digits than its factorization.

30151264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 625 counting only the distinct ones).

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

The square root of 30151264 is about 5491.0166636061. The cubic root of 30151264 is about 311.2446113377.

Adding to 30151264 its reverse (46215103), we get a palindrome (76366367).

The spelling of 30151264 in words is "thirty million, one hundred fifty-one thousand, two hundred sixty-four".