40224260 has 24 divisors (see below), whose sum is σ = 85311576. Its totient is φ = 15929600.

The previous prime is 40224257. The next prime is 40224277. The reversal of 40224260 is 6242204.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 36772096 = 1858^2 + 6064^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (3554649).

Almost surely, 2^40224260 is an apocalyptic number.

It is an amenable number.

40224260 is an abundant number, since it is smaller than the sum of its proper divisors (45087316).

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

40224260 is a wasteful number, since it uses less digits than its factorization.

40224260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023 (or 20021 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40224260 is about 6342.2598496120. The cubic root of 40224260 is about 342.6331306203.

Adding to 40224260 its reverse (6242204), we get a palindrome (46466464).

The spelling of 40224260 in words is "forty million, two hundred twenty-four thousand, two hundred sixty".