1427340378 has 32 divisors (see below), whose sum is σ = 2962109952. Its totient is φ = 458035200.

The previous prime is 1427340377. The next prime is 1427340407. The reversal of 1427340378 is 8730437241.

It is not an unprimeable number, because it can be changed into a prime (1427340373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16018 + ... + 55778.

It is an arithmetic number, because the mean of its divisors is an integer number (92565936).

Almost surely, 2^1427340378 is an apocalyptic number.

1427340378 is an abundant number, since it is smaller than the sum of its proper divisors (1534769574).

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

1427340378 is a wasteful number, since it uses less digits than its factorization.

1427340378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39990.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 1427340378 is about 37780.1585226955. The cubic root of 1427340378 is about 1125.9242782501.

The spelling of 1427340378 in words is "one billion, four hundred twenty-seven million, three hundred forty thousand, three hundred seventy-eight".