2141542404 has 72 divisors (see below), whose sum is σ = 5540371200. Its totient is φ = 697162752.

The previous prime is 2141542393. The next prime is 2141542409. The reversal of 2141542404 is 4042451412.

2141542404 is a `hidden beast` number, since 2 + 1 + 415 + 4 + 240 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (2141542409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012452 + ... + 1014564.

It is an arithmetic number, because the mean of its divisors is an integer number (76949600).

Almost surely, 2^2141542404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141542404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770185600).

2141542404 is an abundant number, since it is smaller than the sum of its proper divisors (3398828796).

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

2141542404 is a wasteful number, since it uses less digits than its factorization.

2141542404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2141542404 is about 46276.8020070532. The cubic root of 2141542404 is about 1288.9682682527.

Adding to 2141542404 its reverse (4042451412), we get a palindrome (6183993816).

The spelling of 2141542404 in words is "two billion, one hundred forty-one million, five hundred forty-two thousand, four hundred four".