49657340 has 24 divisors (see below), whose sum is σ = 110415312. Its totient is φ = 18694400.

The previous prime is 49657337. The next prime is 49657369. The reversal of 49657340 is 4375694.

It is a junction number, because it is equal to n+sod(n) for n = 49657294 and 49657303.

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, 72686 + ... + 73365.

It is an arithmetic number, because the mean of its divisors is an integer number (4600638).

Almost surely, 2^49657340 is an apocalyptic number.

It is an amenable number.

49657340 is an abundant number, since it is smaller than the sum of its proper divisors (60757972).

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

49657340 is a wasteful number, since it uses less digits than its factorization.

49657340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146077 (or 146075 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 49657340 is about 7046.7964352605. The cubic root of 49657340 is about 367.5596398496.

The spelling of 49657340 in words is "forty-nine million, six hundred fifty-seven thousand, three hundred forty".