49394166900 has 144 divisors (see below), whose sum is σ = 154154341824. Its totient is φ = 12139038720.

The previous prime is 49394166853. The next prime is 49394166911. The reversal of 49394166900 is 966149394.

It is a super-2 number, since 2×49394166900² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2497852 + ... + 2517548.

Almost surely, 2^49394166900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49394166900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77077170912).

49394166900 is an abundant number, since it is smaller than the sum of its proper divisors (104760174924).

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

49394166900 is a wasteful number, since it uses less digits than its factorization.

49394166900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370 (or 20363 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 49394166900 in words is "forty-nine billion, three hundred ninety-four million, one hundred sixty-six thousand, nine hundred".