1427685340 has 24 divisors (see below), whose sum is σ = 2998849392. Its totient is φ = 570938880.

The previous prime is 1427685319. The next prime is 1427685353. The reversal of 1427685340 is 435867241.

It is a junction number, because it is equal to n+sod(n) for n = 1427685293 and 1427685302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158847 + ... + 167593.

It is an arithmetic number, because the mean of its divisors is an integer number (124952058).

Almost surely, 2^1427685340 is an apocalyptic number.

1427685340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427685340 is an abundant number, since it is smaller than the sum of its proper divisors (1571164052).

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

1427685340 is a wasteful number, since it uses less digits than its factorization.

1427685340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16917 (or 16915 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1427685340 is about 37784.7236327064. The cubic root of 1427685340 is about 1126.0149760288.

It can be divided in two parts, 1427685 and 340, that added together give a square (1428025 = 1195²).

The spelling of 1427685340 in words is "one billion, four hundred twenty-seven million, six hundred eighty-five thousand, three hundred forty".