2331400428 has 96 divisors (see below), whose sum is σ = 7208248320. Its totient is φ = 637148160.

The previous prime is 2331400427. The next prime is 2331400433. The reversal of 2331400428 is 8240041332.

2331400428 is a `hidden beast` number, since 233 + 1 + 4 + 0 + 0 + 428 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2331400427) 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, 49653 + ... + 84428.

It is an arithmetic number, because the mean of its divisors is an integer number (75085920).

Almost surely, 2^2331400428 is an apocalyptic number.

2331400428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2331400428 is an abundant number, since it is smaller than the sum of its proper divisors (4876847892).

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

2331400428 is a wasteful number, since it uses less digits than its factorization.

2331400428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134124 (or 134116 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2331400428 is about 48284.5775377604. The cubic root of 2331400428 is about 1325.9860566499.

The spelling of 2331400428 in words is "two billion, three hundred thirty-one million, four hundred thousand, four hundred twenty-eight".