40434560 has 32 divisors (see below), whose sum is σ = 96665400. Its totient is φ = 16173568.

The previous prime is 40434553. The next prime is 40434593. The reversal of 40434560 is 6543404.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30950 + ... + 32229.

Almost surely, 2^40434560 is an apocalyptic number.

40434560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40434560 is an abundant number, since it is smaller than the sum of its proper divisors (56230840).

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

40434560 is an equidigital number, since it uses as much as digits as its factorization.

40434560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63198 (or 63186 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40434560 is about 6358.8175001332. The cubic root of 40434560 is about 343.2292098452.

Adding to 40434560 its reverse (6543404), we get a palindrome (46977964).

The spelling of 40434560 in words is "forty million, four hundred thirty-four thousand, five hundred sixty".