40395675240 has 80 divisors (see below), whose sum is σ = 135774363780. Its totient is φ = 10772179200.

The previous prime is 40395675239. The next prime is 40395675253. The reversal of 40395675240 is 4257659304.

40395675240 is a `hidden beast` number, since 4 + 0 + 39 + 567 + 52 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34633954404 + 5761720836 = 186102^2 + 75906^2 .

It is a super-3 number, since 3×40395675240³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6230661 + ... + 6237140.

Almost surely, 2^40395675240 is an apocalyptic number.

40395675240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40395675240 is an abundant number, since it is smaller than the sum of its proper divisors (95378688540).

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

40395675240 is a wasteful number, since it uses less digits than its factorization.

40395675240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12467824 (or 12467811 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 40395675240 in words is "forty billion, three hundred ninety-five million, six hundred seventy-five thousand, two hundred forty".