40648134 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 13311872.

The previous prime is 40648093. The next prime is 40648213. The reversal of 40648134 is 43184604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113047 + ... + 113405.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^40648134 is an apocalyptic number.

40648134 is an abundant number, since it is smaller than the sum of its proper divisors (42088506).

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

40648134 is a wasteful number, since it uses less digits than its factorization.

40648134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40648134 is about 6375.5889139749. The cubic root of 40648134 is about 343.8324573979.

The spelling of 40648134 in words is "forty million, six hundred forty-eight thousand, one hundred thirty-four".