4015826645 has 16 divisors (see below), whose sum is σ = 4979335680. Its totient is φ = 3105969600.

The previous prime is 4015826627. The next prime is 4015826653. The reversal of 4015826645 is 5466285104.

It is not a de Polignac number, because 4015826645 - 2²⁶ = 3948717781 is a prime.

It is a super-2 number, since 2×4015826645² = 32253727285383912050, 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 15 ways as a sum of consecutive naturals, for example, 152246 + ... + 176664.

It is an arithmetic number, because the mean of its divisors is an integer number (311208480).

Almost surely, 2^4015826645 is an apocalyptic number.

It is an amenable number.

4015826645 is a deficient number, since it is larger than the sum of its proper divisors (963509035).

4015826645 is a wasteful number, since it uses less digits than its factorization.

4015826645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 4015826645 is about 63370.5502974371. The cubic root of 4015826645 is about 1589.4918995397.

The spelling of 4015826645 in words is "four billion, fifteen million, eight hundred twenty-six thousand, six hundred forty-five".