40495168 has 84 divisors (see below), whose sum is σ = 96278700. Its totient is φ = 16837632.

The previous prime is 40495141. The next prime is 40495177. The reversal of 40495168 is 86159404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 7225344 = 5768^2 + 2688^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115858 + ... + 116206.

It is an arithmetic number, because the mean of its divisors is an integer number (1146175).

Almost surely, 2^40495168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40495168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48139350).

40495168 is an abundant number, since it is smaller than the sum of its proper divisors (55783532).

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

40495168 is a wasteful number, since it uses less digits than its factorization.

40495168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40495168 is about 6363.5813815807. The cubic root of 40495168 is about 343.4006147926.

The spelling of 40495168 in words is "forty million, four hundred ninety-five thousand, one hundred sixty-eight".