275919642 has 32 divisors (see below), whose sum is σ = 613704960. Its totient is φ = 91890720.

The previous prime is 275919607. The next prime is 275919647. The reversal of 275919642 is 246919572.

It is a super-2 number, since 2×275919642² = 152263297682816328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275919647) 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, 101967 + ... + 104637.

It is an arithmetic number, because the mean of its divisors is an integer number (19178280).

Almost surely, 2^275919642 is an apocalyptic number.

275919642 is an abundant number, since it is smaller than the sum of its proper divisors (337785318).

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

275919642 is a wasteful number, since it uses less digits than its factorization.

275919642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595 (or 4589 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 275919642 is about 16610.8290581777. The cubic root of 275919642 is about 651.0198129416.

The spelling of 275919642 in words is "two hundred seventy-five million, nine hundred nineteen thousand, six hundred forty-two".