40027006555266 has 64 divisors (see below), whose sum is σ = 84161233267200. Its totient is φ = 12673923225600.

The previous prime is 40027006555189. The next prime is 40027006555267. The reversal of 40027006555266 is 66255560072004.

It is a super-2 number, since 2×40027006555266² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40027006555267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318695 + ... + 9043946.

It is an arithmetic number, because the mean of its divisors is an integer number (1315019269800).

Almost surely, 2^{40027006555266} is an apocalyptic number.

40027006555266 is an abundant number, since it is smaller than the sum of its proper divisors (44134226711934).

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

40027006555266 is a wasteful number, since it uses less digits than its factorization.

40027006555266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363035.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 40027006555266 in words is "forty trillion, twenty-seven billion, six million, five hundred fifty-five thousand, two hundred sixty-six".