1427017240 has 32 divisors (see below), whose sum is σ = 3502679760. Its totient is φ = 518915200.

The previous prime is 1427017231. The next prime is 1427017283. The reversal of 1427017240 is 427107241.

It is a junction number, because it is equal to n+sod(n) for n = 1427017199 and 1427017208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621171 + ... + 1622050.

Almost surely, 2^1427017240 is an apocalyptic number.

1427017240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427017240 is an abundant number, since it is smaller than the sum of its proper divisors (2075662520).

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

1427017240 is a wasteful number, since it uses less digits than its factorization.

1427017240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243243 (or 3243239 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 1427017240 is about 37775.8817236607. The cubic root of 1427017240 is about 1125.8393052041.

Subtracting from 1427017240 its reverse (427107241), we obtain a palindrome (999909999).

It can be divided in two parts, 142701 and 7240, that added together give a palindrome (149941).

The spelling of 1427017240 in words is "one billion, four hundred twenty-seven million, seventeen thousand, two hundred forty".