11463297840 has 60 divisors (see below), whose sum is σ = 38497577664. Its totient is φ = 3056879232.

The previous prime is 11463297827. The next prime is 11463297841. The reversal of 11463297840 is 4879236411.

11463297840 is a `hidden beast` number, since 1 + 1 + 4 + 632 + 9 + 7 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11463297841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7959904 + ... + 7961343.

Almost surely, 2^11463297840 is an apocalyptic number.

11463297840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11463297840 is an abundant number, since it is smaller than the sum of its proper divisors (27034279824).

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

11463297840 is a wasteful number, since it uses less digits than its factorization.

11463297840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921266 (or 15921257 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 11463297840 in words is "eleven billion, four hundred sixty-three million, two hundred ninety-seven thousand, eight hundred forty".