49929285640 has 64 divisors (see below), whose sum is σ = 121698586800. Its totient is φ = 18435396096.

The previous prime is 49929285589. The next prime is 49929285647. The reversal of 49929285640 is 4658292994.

It can be written as a sum of positive squares in 8 ways, for example, as 1170724 + 49928114916 = 1082^2 + 223446^2 .

It is not an unprimeable number, because it can be changed into a prime (49929285647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196197 + ... + 371956.

Almost surely, 2^49929285640 is an apocalyptic number.

49929285640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49929285640 is an abundant number, since it is smaller than the sum of its proper divisors (71769301160).

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

49929285640 is a wasteful number, since it uses less digits than its factorization.

49929285640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568203 (or 568173 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 49929285640 in words is "forty-nine billion, nine hundred twenty-nine million, two hundred eighty-five thousand, six hundred forty".