49633940 has 12 divisors (see below), whose sum is σ = 104231316. Its totient is φ = 19853568.

The previous prime is 49633939. The next prime is 49633943. The reversal of 49633940 is 4933694.

It can be written as a sum of positive squares in 2 ways, for example, as 6574096 + 43059844 = 2564^2 + 6562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49633894 and 49633903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49633943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240829 + ... + 1240868.

It is an arithmetic number, because the mean of its divisors is an integer number (8685943).

Almost surely, 2^49633940 is an apocalyptic number.

It is an amenable number.

49633940 is an abundant number, since it is smaller than the sum of its proper divisors (54597376).

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

49633940 is a wasteful number, since it uses less digits than its factorization.

49633940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481706 (or 2481704 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 49633940 is about 7045.1359106833. The cubic root of 49633940 is about 367.5018958052.

The spelling of 49633940 in words is "forty-nine million, six hundred thirty-three thousand, nine hundred forty".