49970016 has 144 divisors (see below), whose sum is σ = 152530560. Its totient is φ = 15482880.

The previous prime is 49970009. The next prime is 49970027. The reversal of 49970016 is 61007994.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258816 + ... + 259008.

It is an arithmetic number, because the mean of its divisors is an integer number (1059240).

Almost surely, 2^49970016 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 49970016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76265280).

49970016 is an abundant number, since it is smaller than the sum of its proper divisors (102560544).

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

49970016 is a wasteful number, since it uses less digits than its factorization.

49970016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 49970016 is about 7068.9473049387. The cubic root of 49970016 is about 368.3294938051.

The spelling of 49970016 in words is "forty-nine million, nine hundred seventy thousand, sixteen".