49681464 has 64 divisors (see below), whose sum is σ = 143927040. Its totient is φ = 13996800.

The previous prime is 49681459. The next prime is 49681477. The reversal of 49681464 is 46418694.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10239 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (2248860).

Almost surely, 2^49681464 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 49681464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71963520).

49681464 is an abundant number, since it is smaller than the sum of its proper divisors (94245576).

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

49681464 is a wasteful number, since it uses less digits than its factorization.

49681464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4136 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 49681464 is about 7048.5079272141. The cubic root of 49681464 is about 367.6191515166.

The spelling of 49681464 in words is "forty-nine million, six hundred eighty-one thousand, four hundred sixty-four".