40441851 has 12 divisors (see below), whose sum is σ = 59995312. Its totient is φ = 26232336.

The previous prime is 40441837. The next prime is 40441853. The reversal of 40441851 is 15814404.

It is a happy number.

It is not a de Polignac number, because 40441851 - 2¹⁷ = 40310779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60391 + ... + 61056.

Almost surely, 2^40441851 is an apocalyptic number.

40441851 is a deficient number, since it is larger than the sum of its proper divisors (19553461).

40441851 is a wasteful number, since it uses less digits than its factorization.

40441851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121490 (or 121487 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 40441851 is about 6359.3907727077. The cubic root of 40441851 is about 343.2498385167.

The spelling of 40441851 in words is "forty million, four hundred forty-one thousand, eight hundred fifty-one".