1463991340 has 48 divisors (see below), whose sum is σ = 3634747200. Its totient is φ = 484630272.

The previous prime is 1463991313. The next prime is 1463991379. The reversal of 1463991340 is 431993641.

It is a junction number, because it is equal to n+sod(n) for n = 1463991293 and 1463991302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176235 + ... + 184354.

It is an arithmetic number, because the mean of its divisors is an integer number (75723900).

Almost surely, 2^1463991340 is an apocalyptic number.

1463991340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463991340 is an abundant number, since it is smaller than the sum of its proper divisors (2170755860).

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

1463991340 is a wasteful number, since it uses less digits than its factorization.

1463991340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360634 (or 360632 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1463991340 is about 38262.1397728878. The cubic root of 1463991340 is about 1135.4800352584.

The spelling of 1463991340 in words is "one billion, four hundred sixty-three million, nine hundred ninety-one thousand, three hundred forty".