11358406940 has 24 divisors (see below), whose sum is σ = 24889727520. Its totient is φ = 4345825088.

The previous prime is 11358406933. The next prime is 11358406949. The reversal of 11358406940 is 4960485311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11358406949) 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 7 ways as a sum of consecutive naturals, for example, 12345635 + ... + 12346554.

It is an arithmetic number, because the mean of its divisors is an integer number (1037071980).

Almost surely, 2^11358406940 is an apocalyptic number.

11358406940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11358406940 is an abundant number, since it is smaller than the sum of its proper divisors (13531320580).

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

11358406940 is a wasteful number, since it uses less digits than its factorization.

11358406940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692221 (or 24692219 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 11358406940 in words is "eleven billion, three hundred fifty-eight million, four hundred six thousand, nine hundred forty".