49099960 has 192 divisors, whose sum is σ = 144789120. Its totient is φ = 14837760.

The previous prime is 49099957. The next prime is 49099991. The reversal of 49099960 is 6999094.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49099960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1044657 + ... + 1044703.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^49099960 is an apocalyptic number.

49099960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49099960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72394560).

49099960 is an abundant number, since it is smaller than the sum of its proper divisors (95689160).

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

49099960 is a wasteful number, since it uses less digits than its factorization.

49099960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 49099960 is about 7007.1363623095. The cubic root of 49099960 is about 366.1792347758.

The spelling of 49099960 in words is "forty-nine million, ninety-nine thousand, nine hundred sixty".