1427342688 has 192 divisors, whose sum is σ = 4312788480. Its totient is φ = 458970624.

The previous prime is 1427342687. The next prime is 1427342689. The reversal of 1427342688 is 8862437241.

It is a happy number.

1427342688 is a `hidden beast` number, since 142 + 7 + 3 + 426 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (1427342687) and next prime (1427342689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427342687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3826470 + ... + 3826842.

It is an arithmetic number, because the mean of its divisors is an integer number (22462440).

Almost surely, 2^1427342688 is an apocalyptic number.

1427342688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427342688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156394240).

1427342688 is an abundant number, since it is smaller than the sum of its proper divisors (2885445792).

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

1427342688 is a wasteful number, since it uses less digits than its factorization.

1427342688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 524 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1427342688 is about 37780.1890942859. The cubic root of 1427342688 is about 1125.9248856463.

The spelling of 1427342688 in words is "one billion, four hundred twenty-seven million, three hundred forty-two thousand, six hundred eighty-eight".