1427844546 has 12 divisors (see below), whose sum is σ = 3093663222. Its totient is φ = 475948176.

The previous prime is 1427844511. The next prime is 1427844563. The reversal of 1427844546 is 6454487241.

1427844546 is a `hidden beast` number, since 1 + 4 + 27 + 84 + 4 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 772228521 + 655616025 = 27789^2 + 25605^2 .

It is a super-2 number, since 2×1427844546² = 4077480095083892232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39662331 + ... + 39662366.

Almost surely, 2^1427844546 is an apocalyptic number.

1427844546 is an abundant number, since it is smaller than the sum of its proper divisors (1665818676).

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

1427844546 is a wasteful number, since it uses less digits than its factorization.

1427844546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79324705 (or 79324702 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 1427844546 is about 37786.8303248632. The cubic root of 1427844546 is about 1126.0568297137.

The spelling of 1427844546 in words is "one billion, four hundred twenty-seven million, eight hundred forty-four thousand, five hundred forty-six".