40783040 has 28 divisors (see below), whose sum is σ = 97115376. Its totient is φ = 16313088.

The previous prime is 40783037. The next prime is 40783079. The reversal of 40783040 is 4038704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63404 + ... + 64043.

Almost surely, 2^40783040 is an apocalyptic number.

40783040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40783040 is an abundant number, since it is smaller than the sum of its proper divisors (56332336).

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

40783040 is a wasteful number, since it uses less digits than its factorization.

40783040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127464 (or 127454 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40783040 is about 6386.1600355769. The cubic root of 40783040 is about 344.2124161313.

The spelling of 40783040 in words is "forty million, seven hundred eighty-three thousand, forty".