40166026000 has 40 divisors (see below), whose sum is σ = 97121455704. Its totient is φ = 16066409600.

The previous prime is 40166025997. The next prime is 40166026051. The reversal of 40166026000 is 62066104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89189136 + 40076836864 = 9444^2 + 200192^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40166026000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10039507 + ... + 10043506.

Almost surely, 2^40166026000 is an apocalyptic number.

40166026000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40166026000 is an abundant number, since it is smaller than the sum of its proper divisors (56955429704).

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

40166026000 is a wasteful number, since it uses less digits than its factorization.

40166026000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083036 (or 20083020 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 40166026000 in words is "forty billion, one hundred sixty-six million, twenty-six thousand".