64020242415 has 32 divisors (see below), whose sum is σ = 103119238656. Its totient is φ = 33915473280.

The previous prime is 64020242413. The next prime is 64020242513. The reversal of 64020242415 is 51424202046.

It is not a de Polignac number, because 64020242415 - 2¹ = 64020242413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64020242413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3826809 + ... + 3843501.

It is an arithmetic number, because the mean of its divisors is an integer number (3222476208).

Almost surely, 2^64020242415 is an apocalyptic number.

64020242415 is a deficient number, since it is larger than the sum of its proper divisors (39098996241).

64020242415 is a wasteful number, since it uses less digits than its factorization.

64020242415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399.

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 64020242415 in words is "sixty-four billion, twenty million, two hundred forty-two thousand, four hundred fifteen".