40620560 has 20 divisors (see below), whose sum is σ = 94442988. Its totient is φ = 16248192.

The previous prime is 40620551. The next prime is 40620577. The reversal of 40620560 is 6502604.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 17272336 = 4832^2 + 4156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253799 + ... + 253958.

Almost surely, 2^40620560 is an apocalyptic number.

40620560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40620560 is an abundant number, since it is smaller than the sum of its proper divisors (53822428).

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

40620560 is a wasteful number, since it uses less digits than its factorization.

40620560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507770 (or 507764 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40620560 is about 6373.4260802178. The cubic root of 40620560 is about 343.7546926081.

The spelling of 40620560 in words is "forty million, six hundred twenty thousand, five hundred sixty".