49188633290 has 32 divisors (see below), whose sum is σ = 92525846400. Its totient is φ = 18792140224.

The previous prime is 49188633281. The next prime is 49188633311. The reversal of 49188633290 is 9233688194.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2240 + ... + 313659.

It is an arithmetic number, because the mean of its divisors is an integer number (2891432700).

Almost surely, 2^49188633290 is an apocalyptic number.

49188633290 is a deficient number, since it is larger than the sum of its proper divisors (43337213110).

49188633290 is a wasteful number, since it uses less digits than its factorization.

49188633290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316606.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 49188633290 in words is "forty-nine billion, one hundred eighty-eight million, six hundred thirty-three thousand, two hundred ninety".