49040736 has 48 divisors (see below), whose sum is σ = 129150000. Its totient is φ = 16293888.

The previous prime is 49040707. The next prime is 49040737. The reversal of 49040736 is 63704094.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 49040697 and 49040706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49040737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38640 + ... + 39888.

It is an arithmetic number, because the mean of its divisors is an integer number (2690625).

Almost surely, 2^49040736 is an apocalyptic number.

It is an amenable number.

49040736 is an abundant number, since it is smaller than the sum of its proper divisors (80109264).

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

49040736 is a wasteful number, since it uses less digits than its factorization.

49040736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 49040736 is about 7002.9091097914. The cubic root of 49040736 is about 366.0319480010.

The spelling of 49040736 in words is "forty-nine million, forty thousand, seven hundred thirty-six".