40361544 has 32 divisors (see below), whose sum is σ = 112116000. Its totient is φ = 13453776.

The previous prime is 40361543. The next prime is 40361549. The reversal of 40361544 is 44516304.

40361544 is a `hidden beast` number, since 4 + 0 + 3 + 615 + 44 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40361543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93214 + ... + 93645.

It is an arithmetic number, because the mean of its divisors is an integer number (3503625).

Almost surely, 2^40361544 is an apocalyptic number.

It is an amenable number.

40361544 is an abundant number, since it is smaller than the sum of its proper divisors (71754456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40361544 is a wasteful number, since it uses less digits than its factorization.

40361544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186874 (or 186864 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40361544 is about 6353.0735868554. The cubic root of 40361544 is about 343.0224863214.

Adding to 40361544 its reverse (44516304), we get a palindrome (84877848).

The spelling of 40361544 in words is "forty million, three hundred sixty-one thousand, five hundred forty-four".