276255454 has 4 divisors (see below), whose sum is σ = 414383184. Its totient is φ = 138127726.

The previous prime is 276255449. The next prime is 276255481. The reversal of 276255454 is 454552672.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×276255454² = 152634151729492232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69063862 + ... + 69063865.

It is an arithmetic number, because the mean of its divisors is an integer number (103595796).

Almost surely, 2^276255454 is an apocalyptic number.

276255454 is a deficient number, since it is larger than the sum of its proper divisors (138127730).

276255454 is a wasteful number, since it uses less digits than its factorization.

276255454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138127729.

The product of its digits is 336000, while the sum is 40.

The square root of 276255454 is about 16620.9342096045. The cubic root of 276255454 is about 651.2838169007.

The spelling of 276255454 in words is "two hundred seventy-six million, two hundred fifty-five thousand, four hundred fifty-four".