4020342615 has 24 divisors (see below), whose sum is σ = 7271578080. Its totient is φ = 2050956864.

The previous prime is 4020342583. The next prime is 4020342643. The reversal of 4020342615 is 5162430204.

4020342615 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 3 + 42 + 615 = 666.

It is not a de Polignac number, because 4020342615 - 2⁵ = 4020342583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1941160 + ... + 1943229.

It is an arithmetic number, because the mean of its divisors is an integer number (302982420).

Almost surely, 2^4020342615 is an apocalyptic number.

4020342615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4020342615 is a deficient number, since it is larger than the sum of its proper divisors (3251235465).

4020342615 is a wasteful number, since it uses less digits than its factorization.

4020342615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884423 (or 3884420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4020342615 is about 63406.1717421893. The cubic root of 4020342615 is about 1590.0874937020.

Adding to 4020342615 its reverse (5162430204), we get a palindrome (9182772819).

The spelling of 4020342615 in words is "four billion, twenty million, three hundred forty-two thousand, six hundred fifteen".