40353231 has 8 divisors (see below), whose sum is σ = 54307584. Its totient is φ = 26650520.

The previous prime is 40353211. The next prime is 40353241. The reversal of 40353231 is 13235304.

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 40353231 - 2¹⁵ = 40320463 is a prime.

It is a super-2 number, since 2×40353231² = 3256766504278722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40353198 and 40353207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353211) 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, 62535 + ... + 63176.

It is an arithmetic number, because the mean of its divisors is an integer number (6788448).

Almost surely, 2^40353231 is an apocalyptic number.

40353231 is a deficient number, since it is larger than the sum of its proper divisors (13954353).

40353231 is a wasteful number, since it uses less digits than its factorization.

40353231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125821.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40353231 is about 6352.4193029113. The cubic root of 40353231 is about 342.9989346809.

Adding to 40353231 its reverse (13235304), we get a palindrome (53588535).

The spelling of 40353231 in words is "forty million, three hundred fifty-three thousand, two hundred thirty-one".