40961237 has 4 divisors (see below), whose sum is σ = 41073216. Its totient is φ = 40849260.

The previous prime is 40961231. The next prime is 40961251. The reversal of 40961237 is 73216904.

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 40961237 - 2²⁰ = 39912661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40961231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55439 + ... + 56172.

It is an arithmetic number, because the mean of its divisors is an integer number (10268304).

Almost surely, 2^40961237 is an apocalyptic number.

It is an amenable number.

40961237 is a deficient number, since it is larger than the sum of its proper divisors (111979).

40961237 is a wasteful number, since it uses less digits than its factorization.

40961237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111978.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 40961237 is about 6400.0966398954. The cubic root of 40961237 is about 344.7130204688.

The spelling of 40961237 in words is "forty million, nine hundred sixty-one thousand, two hundred thirty-seven".