8640462415 has 16 divisors (see below), whose sum is σ = 11822969088. Its totient is φ = 6005316096.

The previous prime is 8640462409. The next prime is 8640462419. The reversal of 8640462415 is 5142640468.

It is not a de Polignac number, because 8640462415 - 2¹³ = 8640454223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640462419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3908607 + ... + 3910816.

It is an arithmetic number, because the mean of its divisors is an integer number (738935568).

Almost surely, 2^8640462415 is an apocalyptic number.

8640462415 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8640462415 is a deficient number, since it is larger than the sum of its proper divisors (3182506673).

8640462415 is a wasteful number, since it uses less digits than its factorization.

8640462415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819458.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 8640462415 is about 92954.0876723558. The cubic root of 8640462415 is about 2052.0077426982.

The spelling of 8640462415 in words is "eight billion, six hundred forty million, four hundred sixty-two thousand, four hundred fifteen".