40480880 has 80 divisors (see below), whose sum is σ = 103680864. Its totient is φ = 14576640.

The previous prime is 40480877. The next prime is 40480883. The reversal of 40480880 is 8808404.

It is an interprime number because it is at equal distance from previous prime (40480877) and next prime (40480883).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40480883) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138014 + ... + 138306.

Almost surely, 2^40480880 is an apocalyptic number.

40480880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40480880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51840432).

40480880 is an abundant number, since it is smaller than the sum of its proper divisors (63199984).

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

40480880 is a wasteful number, since it uses less digits than its factorization.

40480880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 40480880 is about 6362.4586442664. The cubic root of 40480880 is about 343.3602224413.

The spelling of 40480880 in words is "forty million, four hundred eighty thousand, eight hundred eighty".