11467641640 has 64 divisors (see below), whose sum is σ = 31756556160. Its totient is φ = 3629318400.

The previous prime is 11467641617. The next prime is 11467641761. The reversal of 11467641640 is 4614676411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11467641593 and 11467641602.

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, 1571586 + ... + 1578865.

It is an arithmetic number, because the mean of its divisors is an integer number (496196190).

Almost surely, 2^11467641640 is an apocalyptic number.

11467641640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11467641640 is an abundant number, since it is smaller than the sum of its proper divisors (20288914520).

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

11467641640 is a wasteful number, since it uses less digits than its factorization.

11467641640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150482 (or 3150478 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 11467641640 in words is "eleven billion, four hundred sixty-seven million, six hundred forty-one thousand, six hundred forty".