40361481 has 24 divisors (see below), whose sum is σ = 61691136. Its totient is φ = 25375680.

The previous prime is 40361471. The next prime is 40361509. The reversal of 40361481 is 18416304.

40361481 is a `hidden beast` number, since 40 + 3 + 614 + 8 + 1 = 666.

It is not a de Polignac number, because 40361481 - 2⁷ = 40361353 is a prime.

It is a super-2 number, since 2×40361481² = 3258098297026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40361471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13776 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (2570464).

Almost surely, 2^40361481 is an apocalyptic number.

It is an amenable number.

40361481 is a deficient number, since it is larger than the sum of its proper divisors (21329655).

40361481 is a wasteful number, since it uses less digits than its factorization.

40361481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40361481 is about 6353.0686286235. The cubic root of 40361481 is about 343.0223078477.

Adding to 40361481 its reverse (18416304), we get a palindrome (58777785).

The spelling of 40361481 in words is "forty million, three hundred sixty-one thousand, four hundred eighty-one".