42299415 has 80 divisors (see below), whose sum is σ = 83635200. Its totient is φ = 20357568.

The previous prime is 42299393. The next prime is 42299419. The reversal of 42299415 is 51499224.

42299415 = 296² + 297² + ... + 534².

It is not a de Polignac number, because 42299415 - 2⁶ = 42299351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42299415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 176866 + ... + 177104.

It is an arithmetic number, because the mean of its divisors is an integer number (1045440).

Almost surely, 2^42299415 is an apocalyptic number.

42299415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42299415 is a deficient number, since it is larger than the sum of its proper divisors (41335785).

42299415 is a wasteful number, since it uses less digits than its factorization.

42299415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 289 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 42299415 is about 6503.8000430518. The cubic root of 42299415 is about 348.4267208889.

The spelling of 42299415 in words is "forty-two million, two hundred ninety-nine thousand, four hundred fifteen".