276402432 has 144 divisors (see below), whose sum is σ = 771748992. Its totient is φ = 87736320.

The previous prime is 276402397. The next prime is 276402437. The reversal of 276402432 is 234204672.

It is a self number, because there is not a number n which added to its sum of digits gives 276402432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276402437) 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, 2017468 + ... + 2017604.

It is an arithmetic number, because the mean of its divisors is an integer number (5359368).

Almost surely, 2^276402432 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 276402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385874496).

276402432 is an abundant number, since it is smaller than the sum of its proper divisors (495346560).

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

276402432 is a wasteful number, since it uses less digits than its factorization.

276402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 276402432 is about 16625.3550939521. The cubic root of 276402432 is about 651.3992986890.

The spelling of 276402432 in words is "two hundred seventy-six million, four hundred two thousand, four hundred thirty-two".