40863061 has 4 divisors (see below), whose sum is σ = 40877824. Its totient is φ = 40848300.

The previous prime is 40863047. The next prime is 40863073. The reversal of 40863061 is 16036804.

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 3-Lehmer number, since φ(40863061) divides (40863061-1)³.

It is a cyclic number.

It is not a de Polignac number, because 40863061 - 2⁷ = 40862933 is a prime.

It is a deceptive number, since it divides R_40863060.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40863161) 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, 1845 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (10219456).

Almost surely, 2^40863061 is an apocalyptic number.

40863061 is the 3691-st octagonal number.

It is an amenable number.

40863061 is a deficient number, since it is larger than the sum of its proper divisors (14763).

40863061 is a wasteful number, since it uses less digits than its factorization.

40863061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40863061 is about 6392.4221543950. The cubic root of 40863061 is about 344.4373971233.

Adding to 40863061 its reverse (16036804), we get a palindrome (56899865).

The spelling of 40863061 in words is "forty million, eight hundred sixty-three thousand, sixty-one".