40225560 has 32 divisors (see below), whose sum is σ = 120677040. Its totient is φ = 10726784.

The previous prime is 40225487. The next prime is 40225583. The reversal of 40225560 is 6552204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40225560.

It is a congruent number.

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, 167487 + ... + 167726.

Almost surely, 2^40225560 is an apocalyptic number.

40225560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40225560 is an abundant number, since it is smaller than the sum of its proper divisors (80451480).

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

40225560 is a wasteful number, since it uses less digits than its factorization.

40225560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335227 (or 335223 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40225560 is about 6342.3623359124. The cubic root of 40225560 is about 342.6368217449.

Adding to 40225560 its reverse (6552204), we get a palindrome (46777764).

The spelling of 40225560 in words is "forty million, two hundred twenty-five thousand, five hundred sixty".