40384773 has 24 divisors (see below), whose sum is σ = 68533920. Its totient is φ = 22592160.

The previous prime is 40384769. The next prime is 40384777. The reversal of 40384773 is 37748304.

It is an interprime number because it is at equal distance from previous prime (40384769) and next prime (40384777).

It is not a de Polignac number, because 40384773 - 2² = 40384769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14403 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (2855580).

Almost surely, 2^40384773 is an apocalyptic number.

It is an amenable number.

40384773 is a deficient number, since it is larger than the sum of its proper divisors (28149147).

40384773 is a wasteful number, since it uses less digits than its factorization.

40384773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409 (or 31406 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 40384773 is about 6354.9014941225. The cubic root of 40384773 is about 343.0882794868.

The spelling of 40384773 in words is "forty million, three hundred eighty-four thousand, seven hundred seventy-three".