49178493372 has 48 divisors (see below), whose sum is σ = 123601508352. Its totient is φ = 15174287040.

The previous prime is 49178493359. The next prime is 49178493373. The reversal of 49178493372 is 27339487194.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49178493373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865363 + ... + 2882474.

It is an arithmetic number, because the mean of its divisors is an integer number (2575031424).

Almost surely, 2^49178493372 is an apocalyptic number.

It is an amenable number.

49178493372 is an abundant number, since it is smaller than the sum of its proper divisors (74423014980).

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

49178493372 is a wasteful number, since it uses less digits than its factorization.

49178493372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747898 (or 5747896 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The spelling of 49178493372 in words is "forty-nine billion, one hundred seventy-eight million, four hundred ninety-three thousand, three hundred seventy-two".