40166254616688 has 120 divisors (see below), whose sum is σ = 112570308382896. Its totient is φ = 13369634150400.

The previous prime is 40166254616681. The next prime is 40166254616689. The reversal of 40166254616688 is 88661645266104.

40166254616688 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 6 + 2 + 5 + 4 + 616 + 6 + 8 + 8 = 666.

It is a super-2 number, since 2×40166254616688² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166254616681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449941978 + ... + 450031238.

Almost surely, 2^{40166254616688} is an apocalyptic number.

40166254616688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40166254616688 is an abundant number, since it is smaller than the sum of its proper divisors (72404053766208).

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

40166254616688 is a wasteful number, since it uses less digits than its factorization.

40166254616688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93703 (or 93694 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 40166254616688 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, six hundred sixteen thousand, six hundred eighty-eight".