49396299978 has 16 divisors (see below), whose sum is σ = 103992210720. Its totient is φ = 15598831536.

The previous prime is 49396299973. The next prime is 49396299989. The reversal of 49396299978 is 87999269394.

49396299978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49396299973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216650325 + ... + 216650552.

It is an arithmetic number, because the mean of its divisors is an integer number (6499513170).

Almost surely, 2^49396299978 is an apocalyptic number.

49396299978 is an abundant number, since it is smaller than the sum of its proper divisors (54595910742).

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

49396299978 is a wasteful number, since it uses less digits than its factorization.

49396299978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433300901.

The product of its digits is 476171136, while the sum is 75.

The spelling of 49396299978 in words is "forty-nine billion, three hundred ninety-six million, two hundred ninety-nine thousand, nine hundred seventy-eight".