40771828 has 6 divisors (see below), whose sum is σ = 71350706. Its totient is φ = 20385912.

The previous prime is 40771813. The next prime is 40771849. The reversal of 40771828 is 82817704.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 2108304 = 6218^2 + 1452^2 .

It is a super-3 number, since 3×40771828³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5096475 + ... + 5096482.

Almost surely, 2^40771828 is an apocalyptic number.

It is an amenable number.

40771828 is a deficient number, since it is larger than the sum of its proper divisors (30578878).

40771828 is a wasteful number, since it uses less digits than its factorization.

40771828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192961 (or 10192959 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 40771828 is about 6385.2821394203. The cubic root of 40771828 is about 344.1808698208.

The spelling of 40771828 in words is "forty million, seven hundred seventy-one thousand, eight hundred twenty-eight".