2154432041 has 8 divisors (see below), whose sum is σ = 2220658440. Its totient is φ = 2088626688.

The previous prime is 2154431999. The next prime is 2154432089. The reversal of 2154432041 is 1402344512.

It can be written as a sum of positive squares in 4 ways, for example, as 407192041 + 1747240000 = 20179^2 + 41800^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154432041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154432041.

It is not an unprimeable number, because it can be changed into a prime (2154432541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94856 + ... + 115353.

It is an arithmetic number, because the mean of its divisors is an integer number (277582305).

Almost surely, 2^2154432041 is an apocalyptic number.

It is an amenable number.

2154432041 is a deficient number, since it is larger than the sum of its proper divisors (66226399).

2154432041 is a wasteful number, since it uses less digits than its factorization.

2154432041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210523.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2154432041 is about 46415.8598002881. The cubic root of 2154432041 is about 1291.5491356637.

Adding to 2154432041 its reverse (1402344512), we get a palindrome (3556776553).

The spelling of 2154432041 in words is "two billion, one hundred fifty-four million, four hundred thirty-two thousand, forty-one".