40791093228 has 18 divisors (see below), whose sum is σ = 103110819084. Its totient is φ = 13597031064.

The previous prime is 40791093197. The next prime is 40791093251. The reversal of 40791093228 is 82239019704.

40791093228 is a `hidden beast` number, since 407 + 9 + 10 + 9 + 3 + 228 = 666.

40791093228 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566542926 + ... + 566542997.

It is an arithmetic number, because the mean of its divisors is an integer number (5728378838).

Almost surely, 2^40791093228 is an apocalyptic number.

It is an amenable number.

40791093228 is an abundant number, since it is smaller than the sum of its proper divisors (62319725856).

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

40791093228 is a wasteful number, since it uses less digits than its factorization.

40791093228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133085933 (or 1133085928 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 40791093228 in words is "forty billion, seven hundred ninety-one million, ninety-three thousand, two hundred twenty-eight".