275490432 has 192 divisors, whose sum is σ = 916531200. Its totient is φ = 77801472.

The previous prime is 275490427. The next prime is 275490451. The reversal of 275490432 is 234094572.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023994 + ... + 1024262.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^275490432 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 275490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458265600).

275490432 is an abundant number, since it is smaller than the sum of its proper divisors (641040768).

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

275490432 is a wasteful number, since it uses less digits than its factorization.

275490432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 275490432 is about 16597.9044460438. The cubic root of 275490432 is about 650.6820706139.

The spelling of 275490432 in words is "two hundred seventy-five million, four hundred ninety thousand, four hundred thirty-two".