49118199438 has 64 divisors (see below), whose sum is σ = 122537318400. Its totient is φ = 12751644000.

The previous prime is 49118199437. The next prime is 49118199479. The reversal of 49118199438 is 83499181194.

It is a super-2 number, since 2×49118199438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49118199437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944413 + ... + 995063.

It is an arithmetic number, because the mean of its divisors is an integer number (1914645600).

Almost surely, 2^49118199438 is an apocalyptic number.

49118199438 is an abundant number, since it is smaller than the sum of its proper divisors (73419118962).

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

49118199438 is a wasteful number, since it uses less digits than its factorization.

49118199438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52773.

The product of its digits is 2239488, while the sum is 57.

The spelling of 49118199438 in words is "forty-nine billion, one hundred eighteen million, one hundred ninety-nine thousand, four hundred thirty-eight".