40166277888 has 72 divisors (see below), whose sum is σ = 116619160896. Its totient is φ = 12171596800.

The previous prime is 40166277881. The next prime is 40166277917. The reversal of 40166277888 is 88877266104.

It is a happy number.

It is a super-2 number, since 2×40166277888² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166277881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368818 + ... + 2385713.

It is an arithmetic number, because the mean of its divisors is an integer number (1619710568).

Almost surely, 2^40166277888 is an apocalyptic number.

40166277888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40166277888 is an abundant number, since it is smaller than the sum of its proper divisors (76452883008).

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

40166277888 is a wasteful number, since it uses less digits than its factorization.

40166277888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754561 (or 4754547 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 40166277888 in words is "forty billion, one hundred sixty-six million, two hundred seventy-seven thousand, eight hundred eighty-eight".