42515334 has 64 divisors (see below), whose sum is σ = 103550400. Its totient is φ = 12870144.

The previous prime is 42515329. The next prime is 42515359. The reversal of 42515334 is 43351524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42515298 and 42515307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25824 + ... + 27420.

It is an arithmetic number, because the mean of its divisors is an integer number (1617975).

Almost surely, 2^42515334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42515334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51775200).

42515334 is an abundant number, since it is smaller than the sum of its proper divisors (61035066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42515334 is a wasteful number, since it uses less digits than its factorization.

42515334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1648 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 42515334 is about 6520.3783632547. The cubic root of 42515334 is about 349.0185675515.

Adding to 42515334 its reverse (43351524), we get a palindrome (85866858).

It can be divided in two parts, 42515 and 334, that added together give a square (42849 = 207²).

The spelling of 42515334 in words is "forty-two million, five hundred fifteen thousand, three hundred thirty-four".