40169478228368 has 80 divisors (see below), whose sum is σ = 78764802480000. Its totient is φ = 19844024758272.

The previous prime is 40169478228359. The next prime is 40169478228371. The reversal of 40169478228368 is 86382287496104.

It is a super-2 number, since 2×40169478228368² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40169478228298 and 40169478228307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405840130 + ... + 1405868702.

It is an arithmetic number, because the mean of its divisors is an integer number (984560031000).

Almost surely, 2^{40169478228368} is an apocalyptic number.

It is an amenable number.

40169478228368 is a deficient number, since it is larger than the sum of its proper divisors (38595324251632).

40169478228368 is a wasteful number, since it uses less digits than its factorization.

40169478228368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616 (or 30610 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 68.

The spelling of 40169478228368 in words is "forty trillion, one hundred sixty-nine billion, four hundred seventy-eight million, two hundred twenty-eight thousand, three hundred sixty-eight".