29400009990 has 64 divisors (see below), whose sum is σ = 76161254400. Its totient is φ = 7220398464.

The previous prime is 29400009979. The next prime is 29400010007. The reversal of 29400009990 is 9990000492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85351 + ... + 257069.

It is an arithmetic number, because the mean of its divisors is an integer number (1190019600).

Almost surely, 2^29400009990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29400009990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38080627200).

29400009990 is an abundant number, since it is smaller than the sum of its proper divisors (46761244410).

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

29400009990 is a wasteful number, since it uses less digits than its factorization.

29400009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172181.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 29400009990 in words is "twenty-nine billion, four hundred million, nine thousand, nine hundred ninety".