11888400430 has 64 divisors (see below), whose sum is σ = 22085664768. Its totient is φ = 4605269760.

The previous prime is 11888400427. The next prime is 11888400439. The reversal of 11888400430 is 3400488811.

It is a self number, because there is not a number n which added to its sum of digits gives 11888400430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11888400439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31040019 + ... + 31040401.

It is an arithmetic number, because the mean of its divisors is an integer number (345088512).

Almost surely, 2^11888400430 is an apocalyptic number.

11888400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11888400430 is a deficient number, since it is larger than the sum of its proper divisors (10197264338).

11888400430 is a wasteful number, since it uses less digits than its factorization.

11888400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 11888400430 in words is "eleven billion, eight hundred eighty-eight million, four hundred thousand, four hundred thirty".