427351273144 has 32 divisors (see below), whose sum is σ = 821404866240. Its totient is φ = 208317312000.

The previous prime is 427351273121. The next prime is 427351273147. The reversal of 427351273144 is 441372153724.

It is a super-2 number, since 2×427351273144² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 427351273144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427351273147) 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 in 7 ways as a sum of consecutive naturals, for example, 8944 + ... + 924544.

It is an arithmetic number, because the mean of its divisors is an integer number (25668902070).

Almost surely, 2^427351273144 is an apocalyptic number.

It is an amenable number.

427351273144 is a deficient number, since it is larger than the sum of its proper divisors (394053593096).

427351273144 is a wasteful number, since it uses less digits than its factorization.

427351273144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917071 (or 917067 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 427351273144 in words is "four hundred twenty-seven billion, three hundred fifty-one million, two hundred seventy-three thousand, one hundred forty-four".