40132880 has 40 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 15978368.

The previous prime is 40132849. The next prime is 40132909. The reversal of 40132880 is 8823104.

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

It is a super-2 number, since 2×40132880² = 3221296114188800, which contains 22 as substring.

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, 18071 + ... + 20169.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^40132880 is an apocalyptic number.

40132880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40132880 is an abundant number, since it is smaller than the sum of its proper divisors (53611120).

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

40132880 is a wasteful number, since it uses less digits than its factorization.

40132880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40132880 is about 6335.0516967109. The cubic root of 40132880 is about 342.3734734305.

Adding to 40132880 its reverse (8823104), we get a palindrome (48955984).

The spelling of 40132880 in words is "forty million, one hundred thirty-two thousand, eight hundred eighty".