40556241 has 32 divisors (see below), whose sum is σ = 69004800. Its totient is φ = 23282640.

The previous prime is 40556233. The next prime is 40556249. The reversal of 40556241 is 14265504.

It is an interprime number because it is at equal distance from previous prime (40556233) and next prime (40556249).

It is not a de Polignac number, because 40556241 - 2³ = 40556233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40556249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (2156400).

Almost surely, 2^40556241 is an apocalyptic number.

It is an amenable number.

40556241 is a deficient number, since it is larger than the sum of its proper divisors (28448559).

40556241 is a wasteful number, since it uses less digits than its factorization.

40556241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226 (or 7220 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40556241 is about 6368.3782079898. The cubic root of 40556241 is about 343.5731618918.

It can be divided in two parts, 4055 and 6241, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 40556241 in words is "forty million, five hundred fifty-six thousand, two hundred forty-one".