40987383 has 16 divisors (see below), whose sum is σ = 55723776. Its totient is φ = 26792640.

The previous prime is 40987369. The next prime is 40987409. The reversal of 40987383 is 38378904.

It is not a de Polignac number, because 40987383 - 2⁹ = 40986871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45766 + ... + 46652.

It is an arithmetic number, because the mean of its divisors is an integer number (3482736).

Almost surely, 2^40987383 is an apocalyptic number.

40987383 is a deficient number, since it is larger than the sum of its proper divisors (14736393).

40987383 is a wasteful number, since it uses less digits than its factorization.

40987383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 40987383 is about 6402.1389394483. The cubic root of 40987383 is about 344.7863495501.

The spelling of 40987383 in words is "forty million, nine hundred eighty-seven thousand, three hundred eighty-three".