40881740 has 24 divisors (see below), whose sum is σ = 86426592. Its totient is φ = 16243200.

The previous prime is 40881727. The next prime is 40881751. The reversal of 40881740 is 4718804.

It is a junction number, because it is equal to n+sod(n) for n = 40881697 and 40881706.

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, 3749 + ... + 9788.

It is an arithmetic number, because the mean of its divisors is an integer number (3601108).

Almost surely, 2^40881740 is an apocalyptic number.

It is an amenable number.

40881740 is an abundant number, since it is smaller than the sum of its proper divisors (45544852).

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

40881740 is a wasteful number, since it uses less digits than its factorization.

40881740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697 (or 13695 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 40881740 is about 6393.8830142567. The cubic root of 40881740 is about 344.4898712970.

The spelling of 40881740 in words is "forty million, eight hundred eighty-one thousand, seven hundred forty".