40534261 has 4 divisors (see below), whose sum is σ = 40622272. Its totient is φ = 40446252.

The previous prime is 40534253. The next prime is 40534271. The reversal of 40534261 is 16243504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40534261 - 2³ = 40534253 is a prime.

It is a super-2 number, since 2×40534261² = 3286052629632242, 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 (40534231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43311 + ... + 44236.

It is an arithmetic number, because the mean of its divisors is an integer number (10155568).

Almost surely, 2^40534261 is an apocalyptic number.

It is an amenable number.

40534261 is a deficient number, since it is larger than the sum of its proper divisors (88011).

40534261 is an equidigital number, since it uses as much as digits as its factorization.

40534261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88010.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40534261 is about 6366.6522600186. The cubic root of 40534261 is about 343.5110826443.

Adding to 40534261 its reverse (16243504), we get a palindrome (56777765).

The spelling of 40534261 in words is "forty million, five hundred thirty-four thousand, two hundred sixty-one".