40308242228 has 12 divisors (see below), whose sum is σ = 70904914500. Its totient is φ = 20049695232.

The previous prime is 40308242213. The next prime is 40308242231. The reversal of 40308242228 is 82224280304.

It can be written as a sum of positive squares in 2 ways, for example, as 5525246224 + 34782996004 = 74332^2 + 186502^2 .

It is a super-2 number, since 2×40308242228² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26105603 + ... + 26107146.

It is an arithmetic number, because the mean of its divisors is an integer number (5908742875).

Almost surely, 2^40308242228 is an apocalyptic number.

It is an amenable number.

40308242228 is a deficient number, since it is larger than the sum of its proper divisors (30596672272).

40308242228 is a wasteful number, since it uses less digits than its factorization.

40308242228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52212946 (or 52212944 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 40308242228 in words is "forty billion, three hundred eight million, two hundred forty-two thousand, two hundred twenty-eight".