40481880 has 32 divisors (see below), whose sum is σ = 121446000. Its totient is φ = 10795136.

The previous prime is 40481873. The next prime is 40481893. The reversal of 40481880 is 8818404.

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, 168555 + ... + 168794.

Almost surely, 2^40481880 is an apocalyptic number.

40481880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40481880 is an abundant number, since it is smaller than the sum of its proper divisors (80964120).

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

40481880 is a wasteful number, since it uses less digits than its factorization.

40481880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337363 (or 337359 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 40481880 is about 6362.5372297536. The cubic root of 40481880 is about 343.3630497629.

The spelling of 40481880 in words is "forty million, four hundred eighty-one thousand, eight hundred eighty".