40881348 has 72 divisors (see below), whose sum is σ = 108300192. Its totient is φ = 13483584.

The previous prime is 40881319. The next prime is 40881361. The reversal of 40881348 is 84318804.

It is a super-2 number, since 2×40881348² = 3342569228594208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133011 + ... + 133317.

Almost surely, 2^40881348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40881348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54150096).

40881348 is an abundant number, since it is smaller than the sum of its proper divisors (67418844).

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

40881348 is a wasteful number, since it uses less digits than its factorization.

40881348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 40881348 is about 6393.8523598845. The cubic root of 40881348 is about 344.4887702311.

The spelling of 40881348 in words is "forty million, eight hundred eighty-one thousand, three hundred forty-eight".