40101287 has 8 divisors (see below), whose sum is σ = 41556240. Its totient is φ = 38651200.

The previous prime is 40101277. The next prime is 40101289. The reversal of 40101287 is 78210104.

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

It is not a de Polignac number, because 40101287 - 2⁸ = 40101031 is a prime.

It is a super-2 number, since 2×40101287² = 3216226438112738, 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 (40101289) 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, 26912 + ... + 28362.

It is an arithmetic number, because the mean of its divisors is an integer number (5194530).

Almost surely, 2^40101287 is an apocalyptic number.

40101287 is a deficient number, since it is larger than the sum of its proper divisors (1454953).

40101287 is a wasteful number, since it uses less digits than its factorization.

40101287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 40101287 is about 6332.5576981185. The cubic root of 40101287 is about 342.2836099179.

The spelling of 40101287 in words is "forty million, one hundred one thousand, two hundred eighty-seven".