4491400228958 has 4 divisors (see below), whose sum is σ = 6737100343440. Its totient is φ = 2245700114478.

The previous prime is 4491400228951. The next prime is 4491400229033. The reversal of 4491400228958 is 8598220041944.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491400228951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122850057238 + ... + 1122850057241.

It is an arithmetic number, because the mean of its divisors is an integer number (1684275085860).

Almost surely, 2^{4491400228958} is an apocalyptic number.

4491400228958 is a deficient number, since it is larger than the sum of its proper divisors (2245700114482).

4491400228958 is a wasteful number, since it uses less digits than its factorization.

4491400228958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245700114481.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 4491400228958 in words is "four trillion, four hundred ninety-one billion, four hundred million, two hundred twenty-eight thousand, nine hundred fifty-eight".