40961224 has 16 divisors (see below), whose sum is σ = 79451100. Its totient is φ = 19774272.

The previous prime is 40961213. The next prime is 40961227. The reversal of 40961224 is 42216904.

It can be written as a sum of positive squares in 2 ways, for example, as 39564100 + 1397124 = 6290^2 + 1182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40961192 and 40961201.

It is not an unprimeable number, because it can be changed into a prime (40961227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88047 + ... + 88510.

Almost surely, 2^40961224 is an apocalyptic number.

It is an amenable number.

40961224 is a deficient number, since it is larger than the sum of its proper divisors (38489876).

40961224 is a wasteful number, since it uses less digits than its factorization.

40961224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176592 (or 176588 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40961224 is about 6400.0956242856. The cubic root of 40961224 is about 344.7129840012.

The spelling of 40961224 in words is "forty million, nine hundred sixty-one thousand, two hundred twenty-four".