40771328 has 36 divisors (see below), whose sum is σ = 87650808. Its totient is φ = 18816000.

The previous prime is 40771327. The next prime is 40771333. The reversal of 40771328 is 82317704.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 40771294 and 40771303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40771327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798 + ... + 9453.

Almost surely, 2^40771328 is an apocalyptic number.

It is an amenable number.

40771328 is an abundant number, since it is smaller than the sum of its proper divisors (46879480).

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

40771328 is a wasteful number, since it uses less digits than its factorization.

40771328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280 (or 12266 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 40771328 is about 6385.2429867625. The cubic root of 40771328 is about 344.1794628760.

The spelling of 40771328 in words is "forty million, seven hundred seventy-one thousand, three hundred twenty-eight".