1427377152 has 88 divisors (see below), whose sum is σ = 3822977200. Its totient is φ = 473481216.

The previous prime is 1427377151. The next prime is 1427377153. The reversal of 1427377152 is 2517737241.

It is an interprime number because it is at equal distance from previous prime (1427377151) and next prime (1427377153).

It is a super-2 number, since 2×1427377152² = 4074811068103262208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1427377152.

It is not an unprimeable number, because it can be changed into a prime (1427377151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702474 + ... + 704502.

Almost surely, 2^1427377152 is an apocalyptic number.

1427377152 is a gapful number since it is divisible by the number (12) 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 1427377152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911488600).

1427377152 is an abundant number, since it is smaller than the sum of its proper divisors (2395600048).

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

1427377152 is a wasteful number, since it uses less digits than its factorization.

1427377152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2263 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 1427377152 is about 37780.6452035960. The cubic root of 1427377152 is about 1125.9339476054.

The spelling of 1427377152 in words is "one billion, four hundred twenty-seven million, three hundred seventy-seven thousand, one hundred fifty-two".