420452515 has 16 divisors (see below), whose sum is σ = 578289600. Its totient is φ = 287475840.

The previous prime is 420452509. The next prime is 420452533. The reversal of 420452515 is 515254024.

It is not a de Polignac number, because 420452515 - 2⁹ = 420452003 is a prime.

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, 4996 + ... + 29425.

It is an arithmetic number, because the mean of its divisors is an integer number (36143100).

Almost surely, 2^420452515 is an apocalyptic number.

420452515 is a deficient number, since it is larger than the sum of its proper divisors (157837085).

420452515 is a wasteful number, since it uses less digits than its factorization.

420452515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34782.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 420452515 is about 20504.9387953244. The cubic root of 420452515 is about 749.1560967184.

The spelling of 420452515 in words is "four hundred twenty million, four hundred fifty-two thousand, five hundred fifteen".