40853961 has 6 divisors (see below), whose sum is σ = 59011290. Its totient is φ = 27235968.

The previous prime is 40853959. The next prime is 40854007. The reversal of 40853961 is 16935804.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 9884736 = 5565^2 + 3144^2 .

It is not a de Polignac number, because 40853961 - 2¹ = 40853959 is a prime.

It is a super-2 number, since 2×40853961² = 3338092258779042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40853921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2269656 + ... + 2269673.

It is an arithmetic number, because the mean of its divisors is an integer number (9835215).

Almost surely, 2^40853961 is an apocalyptic number.

It is an amenable number.

40853961 is a deficient number, since it is larger than the sum of its proper divisors (18157329).

40853961 is a wasteful number, since it uses less digits than its factorization.

40853961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539335 (or 4539332 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40853961 is about 6391.7103344879. The cubic root of 40853961 is about 344.4118270613.

It can be divided in two parts, 40853 and 961, that added together give a palindrome (41814).

The spelling of 40853961 in words is "forty million, eight hundred fifty-three thousand, nine hundred sixty-one".