49945340 has 24 divisors (see below), whose sum is σ = 108269952. Its totient is φ = 19333440.

The previous prime is 49945289. The next prime is 49945361. The reversal of 49945340 is 4354994.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49945294 and 49945303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39659 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (4511248).

Almost surely, 2^49945340 is an apocalyptic number.

It is an amenable number.

49945340 is an abundant number, since it is smaller than the sum of its proper divisors (58324612).

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

49945340 is a wasteful number, since it uses less digits than its factorization.

49945340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80597 (or 80595 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 49945340 is about 7067.2017093048. The cubic root of 49945340 is about 368.2688548072.

The spelling of 49945340 in words is "forty-nine million, nine hundred forty-five thousand, three hundred forty".