4025040515 has 4 divisors (see below), whose sum is σ = 4830048624. Its totient is φ = 3220032408.

The previous prime is 4025040463. The next prime is 4025040517. The reversal of 4025040515 is 5150405204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025040515 - 2¹² = 4025036419 is a prime.

It is a super-2 number, since 2×4025040515² = 32401902294782930450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025040517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402504047 + ... + 402504056.

It is an arithmetic number, because the mean of its divisors is an integer number (1207512156).

Almost surely, 2^4025040515 is an apocalyptic number.

4025040515 is a deficient number, since it is larger than the sum of its proper divisors (805008109).

4025040515 is an equidigital number, since it uses as much as digits as its factorization.

4025040515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805008108.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4025040515 is about 63443.2070043752. The cubic root of 4025040515 is about 1590.7066087846.

Adding to 4025040515 its reverse (5150405204), we get a palindrome (9175445719).

The spelling of 4025040515 in words is "four billion, twenty-five million, forty thousand, five hundred fifteen".