9402665272 has 192 divisors, whose sum is σ = 24510729600. Its totient is φ = 3323093760.

The previous prime is 9402665267. The next prime is 9402665297. The reversal of 9402665272 is 2725662049.

It is a super-2 number, since 2×9402665272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3305883 + ... + 3308725.

It is an arithmetic number, because the mean of its divisors is an integer number (127660050).

Almost surely, 2^9402665272 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 9402665272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12255364800).

9402665272 is an abundant number, since it is smaller than the sum of its proper divisors (15108064328).

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

9402665272 is a wasteful number, since it uses less digits than its factorization.

9402665272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 9402665272 is about 96967.3412649847. The cubic root of 9402665272 is about 2110.6537414118.

The spelling of 9402665272 in words is "nine billion, four hundred two million, six hundred sixty-five thousand, two hundred seventy-two".