1027342540 has 48 divisors (see below), whose sum is σ = 2595398400. Its totient is φ = 333692352.

The previous prime is 1027342501. The next prime is 1027342579. The reversal of 1027342540 is 452437201.

It is an interprime number because it is at equal distance from previous prime (1027342501) and next prime (1027342579).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1027342499 and 1027342508.

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 15 ways as a sum of consecutive naturals, for example, 190450 + ... + 195769.

It is an arithmetic number, because the mean of its divisors is an integer number (54070800).

Almost surely, 2^1027342540 is an apocalyptic number.

1027342540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027342540 is an abundant number, since it is smaller than the sum of its proper divisors (1568055860).

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

1027342540 is a wasteful number, since it uses less digits than its factorization.

1027342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386254 (or 386252 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1027342540 is about 32052.1846369323. The cubic root of 1027342540 is about 1009.0323510055.

Adding to 1027342540 its reverse (452437201), we get a palindrome (1479779741).

The spelling of 1027342540 in words is "one billion, twenty-seven million, three hundred forty-two thousand, five hundred forty".