40751328 has 24 divisors (see below), whose sum is σ = 106972488. Its totient is φ = 13583744.

The previous prime is 40751327. The next prime is 40751339. The reversal of 40751328 is 82315704.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 40751295 and 40751304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212151 + ... + 212342.

It is an arithmetic number, because the mean of its divisors is an integer number (4457187).

Almost surely, 2^40751328 is an apocalyptic number.

40751328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40751328 is an abundant number, since it is smaller than the sum of its proper divisors (66221160).

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

40751328 is a wasteful number, since it uses less digits than its factorization.

40751328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424506 (or 424498 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 40751328 is about 6383.6766835422. The cubic root of 40751328 is about 344.1231756478.

The spelling of 40751328 in words is "forty million, seven hundred fifty-one thousand, three hundred twenty-eight".