40380560 has 40 divisors (see below), whose sum is σ = 102422016. Its totient is φ = 14683520.

The previous prime is 40380517. The next prime is 40380563. The reversal of 40380560 is 6508304.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (40380563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22064 + ... + 23823.

Almost surely, 2^40380560 is an apocalyptic number.

40380560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40380560 is an abundant number, since it is smaller than the sum of its proper divisors (62041456).

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

40380560 is a wasteful number, since it uses less digits than its factorization.

40380560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45911 (or 45905 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40380560 is about 6354.5700090565. The cubic root of 40380560 is about 343.0763485776.

Adding to 40380560 its reverse (6508304), we get a palindrome (46888864).

The spelling of 40380560 in words is "forty million, three hundred eighty thousand, five hundred sixty".