40555141 has 16 divisors (see below), whose sum is σ = 46505088. Its totient is φ = 35006400.

The previous prime is 40555133. The next prime is 40555147. The reversal of 40555141 is 14155504.

It is a happy number.

It is not a de Polignac number, because 40555141 - 2³ = 40555133 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 (40555147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39211 + ... + 40231.

It is an arithmetic number, because the mean of its divisors is an integer number (2906568).

Almost surely, 2^40555141 is an apocalyptic number.

It is an amenable number.

40555141 is a deficient number, since it is larger than the sum of its proper divisors (5949947).

40555141 is a wasteful number, since it uses less digits than its factorization.

40555141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 40555141 is about 6368.2918431868. The cubic root of 40555141 is about 343.5700556383.

The spelling of 40555141 in words is "forty million, five hundred fifty-five thousand, one hundred forty-one".