2011400430 has 64 divisors (see below), whose sum is σ = 5203275840. Its totient is φ = 494678016.

The previous prime is 2011400423. The next prime is 2011400449. The reversal of 2011400430 is 340041102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883774 + ... + 886046.

It is an arithmetic number, because the mean of its divisors is an integer number (81301185).

Almost surely, 2^2011400430 is an apocalyptic number.

2011400430 is an abundant number, since it is smaller than the sum of its proper divisors (3191875410).

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

2011400430 is a wasteful number, since it uses less digits than its factorization.

2011400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2011400430 is about 44848.6391097879. The cubic root of 2011400430 is about 1262.3104558760.

Adding to 2011400430 its reverse (340041102), we get a palindrome (2351441532).

The spelling of 2011400430 in words is "two billion, eleven million, four hundred thousand, four hundred thirty".