2115454326 has 16 divisors (see below), whose sum is σ = 4231673328. Its totient is φ = 705024000.

The previous prime is 2115454309. The next prime is 2115454331. The reversal of 2115454326 is 6234545112.

It is a super-2 number, since 2×2115454326² = 8950294010784228552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7926 + ... + 65526.

It is an arithmetic number, because the mean of its divisors is an integer number (264479583).

Almost surely, 2^2115454326 is an apocalyptic number.

2115454326 is an abundant number, since it is smaller than the sum of its proper divisors (2116219002).

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

2115454326 is a wasteful number, since it uses less digits than its factorization.

2115454326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63727.

The product of its digits is 28800, while the sum is 33.

The square root of 2115454326 is about 45994.0683784333. The cubic root of 2115454326 is about 1283.7128376850.

Adding to 2115454326 its reverse (6234545112), we get a palindrome (8349999438).

The spelling of 2115454326 in words is "two billion, one hundred fifteen million, four hundred fifty-four thousand, three hundred twenty-six".