1019340460 has 12 divisors (see below), whose sum is σ = 2140615008. Its totient is φ = 407736176.

The previous prime is 1019340431. The next prime is 1019340461. The reversal of 1019340460 is 640439101.

It is not an unprimeable number, because it can be changed into a prime (1019340461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25483492 + ... + 25483531.

It is an arithmetic number, because the mean of its divisors is an integer number (178384584).

Almost surely, 2^1019340460 is an apocalyptic number.

1019340460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1019340460 is an abundant number, since it is smaller than the sum of its proper divisors (1121274548).

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

1019340460 is a wasteful number, since it uses less digits than its factorization.

1019340460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50967032 (or 50967030 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1019340460 is about 31927.1116764420. Note that the first 3 decimals coincide. The cubic root of 1019340460 is about 1006.4056994002.

Adding to 1019340460 its reverse (640439101), we get a palindrome (1659779561).

It can be divided in two parts, 10193 and 40460, that added together give a cube (50653 = 37³).

The spelling of 1019340460 in words is "one billion, nineteen million, three hundred forty thousand, four hundred sixty".