40283772 has 12 divisors (see below), whose sum is σ = 93995496. Its totient is φ = 13427920.

The previous prime is 40283753. The next prime is 40283773. The reversal of 40283772 is 27738204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40283773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678479 + ... + 1678502.

It is an arithmetic number, because the mean of its divisors is an integer number (7832958).

Almost surely, 2^40283772 is an apocalyptic number.

It is an amenable number.

40283772 is an abundant number, since it is smaller than the sum of its proper divisors (53711724).

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

40283772 is a wasteful number, since it uses less digits than its factorization.

40283772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356988 (or 3356986 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40283772 is about 6346.9498186137. The cubic root of 40283772 is about 342.8020231828.

The spelling of 40283772 in words is "forty million, two hundred eighty-three thousand, seven hundred seventy-two".