1427140446 has 16 divisors (see below), whose sum is σ = 3022179984. Its totient is φ = 447730304.

The previous prime is 1427140367. The next prime is 1427140457. The reversal of 1427140446 is 6440417241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6995685 + ... + 6995888.

It is an arithmetic number, because the mean of its divisors is an integer number (188886249).

Almost surely, 2^1427140446 is an apocalyptic number.

1427140446 is an abundant number, since it is smaller than the sum of its proper divisors (1595039538).

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

1427140446 is a wasteful number, since it uses less digits than its factorization.

1427140446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991595.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 1427140446 is about 37777.5124379571. The cubic root of 1427140446 is about 1125.8717052251.

Adding to 1427140446 its reverse (6440417241), we get a palindrome (7867557687).

The spelling of 1427140446 in words is "one billion, four hundred twenty-seven million, one hundred forty thousand, four hundred forty-six".