42096520 has 16 divisors (see below), whose sum is σ = 94717260. Its totient is φ = 16838592.

The previous prime is 42096499. The next prime is 42096529. The reversal of 42096520 is 2569024.

It can be written as a sum of positive squares in 2 ways, for example, as 40985604 + 1110916 = 6402^2 + 1054^2 .

It is a super-2 number, since 2×42096520² = 3544233992220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42096529) 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, 526167 + ... + 526246.

Almost surely, 2^42096520 is an apocalyptic number.

42096520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42096520 is an abundant number, since it is smaller than the sum of its proper divisors (52620740).

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

42096520 is a wasteful number, since it uses less digits than its factorization.

42096520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052424 (or 1052420 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42096520 is about 6488.1831046912. The cubic root of 42096520 is about 347.8687354498.

The spelling of 42096520 in words is "forty-two million, ninety-six thousand, five hundred twenty".