2261515458 has 16 divisors (see below), whose sum is σ = 4523716800. Its totient is φ = 753724176.

The previous prime is 2261515429. The next prime is 2261515471. The reversal of 2261515458 is 8545151622.

It is a super-2 number, since 2×2261515458² = 10228904333545899528, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20868 + ... + 70416.

It is an arithmetic number, because the mean of its divisors is an integer number (282732300).

Almost surely, 2^2261515458 is an apocalyptic number.

2261515458 is an abundant number, since it is smaller than the sum of its proper divisors (2262201342).

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

2261515458 is a wasteful number, since it uses less digits than its factorization.

2261515458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57161.

The product of its digits is 96000, while the sum is 39.

The square root of 2261515458 is about 47555.3935742309. The cubic root of 2261515458 is about 1312.6023784448.

The spelling of 2261515458 in words is "two billion, two hundred sixty-one million, five hundred fifteen thousand, four hundred fifty-eight".