29166250040 has 48 divisors (see below), whose sum is σ = 67965070680. Its totient is φ = 11264193920.

The previous prime is 29166250031. The next prime is 29166250063. The reversal of 29166250040 is 4005266192.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399866 + ... + 467145.

Almost surely, 2^29166250040 is an apocalyptic number.

29166250040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29166250040 is an abundant number, since it is smaller than the sum of its proper divisors (38798820640).

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

29166250040 is a wasteful number, since it uses less digits than its factorization.

29166250040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867080 (or 867047 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 29166250040 in words is "twenty-nine billion, one hundred sixty-six million, two hundred fifty thousand, forty".