40102231 has 8 divisors (see below), whose sum is σ = 43570800. Its totient is φ = 36688512.

The previous prime is 40102213. The next prime is 40102253. The reversal of 40102231 is 13220104.

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 40102231 - 2⁵ = 40102199 is a prime.

It is a super-2 number, since 2×40102231² = 3216377862354722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102631) 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, 12181 + ... + 15118.

It is an arithmetic number, because the mean of its divisors is an integer number (5446350).

Almost surely, 2^40102231 is an apocalyptic number.

40102231 is a deficient number, since it is larger than the sum of its proper divisors (3468569).

40102231 is a wasteful number, since it uses less digits than its factorization.

40102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27425.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40102231 is about 6332.6322331239. The cubic root of 40102231 is about 342.2862957269.

Adding to 40102231 its reverse (13220104), we get a palindrome (53322335).

It can be divided in two parts, 4010 and 2231, that added together give a square (6241 = 79²).

The spelling of 40102231 in words is "forty million, one hundred two thousand, two hundred thirty-one".