40154983 has 8 divisors (see below), whose sum is σ = 44069760. Its totient is φ = 36284280.

The previous prime is 40154981. The next prime is 40155007. The reversal of 40154983 is 38945104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40154983 - 2¹ = 40154981 is a prime.

It is a super-2 number, since 2×40154983² = 3224845319460578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9093 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (5508720).

Almost surely, 2^40154983 is an apocalyptic number.

40154983 is a deficient number, since it is larger than the sum of its proper divisors (3914777).

40154983 is a wasteful number, since it uses less digits than its factorization.

40154983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22037.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40154983 is about 6336.7959569486. The cubic root of 40154983 is about 342.4363154365.

It can be divided in two parts, 4015 and 4983, that added together give a palindrome (8998).

The spelling of 40154983 in words is "forty million, one hundred fifty-four thousand, nine hundred eighty-three".