1463609940 has 96 divisors (see below), whose sum is σ = 4434761856. Its totient is φ = 358525440.

The previous prime is 1463609911. The next prime is 1463609941. The reversal of 1463609940 is 499063641.

It is a junction number, because it is equal to n+sod(n) for n = 1463609892 and 1463609901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463609941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160134 + ... + 169026.

It is an arithmetic number, because the mean of its divisors is an integer number (46195436).

Almost surely, 2^1463609940 is an apocalyptic number.

1463609940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1463609940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217380928).

1463609940 is an abundant number, since it is smaller than the sum of its proper divisors (2971151916).

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

1463609940 is a wasteful number, since it uses less digits than its factorization.

1463609940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1463609940 is about 38257.1554091519. The cubic root of 1463609940 is about 1135.3814213556.

The spelling of 1463609940 in words is "one billion, four hundred sixty-three million, six hundred nine thousand, nine hundred forty".