42015364 has 12 divisors (see below), whose sum is σ = 77852124. Its totient is φ = 19771904.

The previous prime is 42015359. The next prime is 42015367. The reversal of 42015364 is 46351024.

It can be written as a sum of positive squares in 2 ways, for example, as 33547264 + 8468100 = 5792^2 + 2910^2 .

It is not an unprimeable number, because it can be changed into a prime (42015367) 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, 308869 + ... + 309004.

It is an arithmetic number, because the mean of its divisors is an integer number (6487677).

Almost surely, 2^42015364 is an apocalyptic number.

It is an amenable number.

42015364 is a deficient number, since it is larger than the sum of its proper divisors (35836760).

42015364 is a wasteful number, since it uses less digits than its factorization.

42015364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617894 (or 617892 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42015364 is about 6481.9259483583. The cubic root of 42015364 is about 347.6450447764.

Adding to 42015364 its reverse (46351024), we get a palindrome (88366388).

The spelling of 42015364 in words is "forty-two million, fifteen thousand, three hundred sixty-four".