40008488 has 16 divisors (see below), whose sum is σ = 80786580. Its totient is φ = 18465408.

The previous prime is 40008473. The next prime is 40008491. The reversal of 40008488 is 88480004.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 40804 = 6322^2 + 202^2 .

It is a super-2 number, since 2×40008488² = 3201358224092288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192245 + ... + 192452.

Almost surely, 2^40008488 is an apocalyptic number.

It is an amenable number.

40008488 is an abundant number, since it is smaller than the sum of its proper divisors (40778092).

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

40008488 is a wasteful number, since it uses less digits than its factorization.

40008488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384716 (or 384712 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 40008488 is about 6325.2263200616. The cubic root of 40008488 is about 342.0193780842.

The spelling of 40008488 in words is "forty million, eight thousand, four hundred eighty-eight".