275115402 has 48 divisors (see below), whose sum is σ = 649116000. Its totient is φ = 83879712.

The previous prime is 275115391. The next prime is 275115409. The reversal of 275115402 is 204511572.

It is not an unprimeable number, because it can be changed into a prime (275115409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3952 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (13523250).

Almost surely, 2^275115402 is an apocalyptic number.

275115402 is an abundant number, since it is smaller than the sum of its proper divisors (374000598).

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

275115402 is a wasteful number, since it uses less digits than its factorization.

275115402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27795 (or 27792 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 275115402 is about 16586.6030880346. The cubic root of 275115402 is about 650.3866748585.

Adding to 275115402 its reverse (204511572), we get a palindrome (479626974).

The spelling of 275115402 in words is "two hundred seventy-five million, one hundred fifteen thousand, four hundred two".