276620442 has 16 divisors (see below), whose sum is σ = 632275392. Its totient is φ = 79034400.

The previous prime is 276620441. The next prime is 276620459. The reversal of 276620442 is 244026672.

It is not an unprimeable number, because it can be changed into a prime (276620441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293059 + ... + 3293142.

It is an arithmetic number, because the mean of its divisors is an integer number (39517212).

Almost surely, 2^276620442 is an apocalyptic number.

276620442 is an abundant number, since it is smaller than the sum of its proper divisors (355654950).

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

276620442 is a wasteful number, since it uses less digits than its factorization.

276620442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586213.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 276620442 is about 16631.9103532938. The cubic root of 276620442 is about 651.5705155142.

The spelling of 276620442 in words is "two hundred seventy-six million, six hundred twenty thousand, four hundred forty-two".