49192768 has 42 divisors (see below), whose sum is σ = 102115874. Its totient is φ = 23510784.

The previous prime is 49192763. The next prime is 49192769. The reversal of 49192768 is 86729194.

It can be written as a sum of positive squares in only one way, i.e., 48888064 + 304704 = 6992^2 + 552^2 .

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49192763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33130 + ... + 34582.

Almost surely, 2^49192768 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 49192768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51057937).

49192768 is an abundant number, since it is smaller than the sum of its proper divisors (52923106).

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

49192768 is a wasteful number, since it uses less digits than its factorization.

49192768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1478 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 49192768 is about 7013.7556273369. The cubic root of 49192768 is about 366.4098050426.

The spelling of 49192768 in words is "forty-nine million, one hundred ninety-two thousand, seven hundred sixty-eight".