40495312 has 60 divisors (see below), whose sum is σ = 92932420. Its totient is φ = 16980480.

The previous prime is 40495307. The next prime is 40495333. The reversal of 40495312 is 21359404.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 15335056 = 5016^2 + 3916^2 .

It is a congruent number.

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, 24364 + ... + 25972.

Almost surely, 2^40495312 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 40495312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46466210).

40495312 is an abundant number, since it is smaller than the sum of its proper divisors (52437108).

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

40495312 is a wasteful number, since it uses less digits than its factorization.

40495312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1635 counting only the distinct ones).

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

The square root of 40495312 is about 6363.5926959541. The cubic root of 40495312 is about 343.4010218340.

The spelling of 40495312 in words is "forty million, four hundred ninety-five thousand, three hundred twelve".