42495340 has 24 divisors (see below), whose sum is σ = 90755280. Its totient is φ = 16709568.

The previous prime is 42495337. The next prime is 42495367. The reversal of 42495340 is 4359424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16827 + ... + 19186.

It is an arithmetic number, because the mean of its divisors is an integer number (3781470).

Almost surely, 2^42495340 is an apocalyptic number.

It is an amenable number.

42495340 is an abundant number, since it is smaller than the sum of its proper divisors (48259940).

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

42495340 is a wasteful number, since it uses less digits than its factorization.

42495340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36081 (or 36079 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 42495340 is about 6518.8449897202. The cubic root of 42495340 is about 348.9638471266.

The spelling of 42495340 in words is "forty-two million, four hundred ninety-five thousand, three hundred forty".