40747224 has 48 divisors (see below), whose sum is σ = 118503000. Its totient is φ = 11641728.

The previous prime is 40747219. The next prime is 40747243. The reversal of 40747224 is 42274704.

It is a junction number, because it is equal to n+sod(n) for n = 40747191 and 40747200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16149 + ... + 18500.

Almost surely, 2^40747224 is an apocalyptic number.

It is an amenable number.

40747224 is an abundant number, since it is smaller than the sum of its proper divisors (77755776).

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

40747224 is a wasteful number, since it uses less digits than its factorization.

40747224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34672 (or 34661 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 40747224 is about 6383.3552305978. The cubic root of 40747224 is about 344.1116232315. Note that the first 3 decimals are identical.

The spelling of 40747224 in words is "forty million, seven hundred forty-seven thousand, two hundred twenty-four".