49298966640 has 360 divisors, whose sum is σ = 210103057008. Its totient is φ = 10243860480.

The previous prime is 49298966623. The next prime is 49298966663. The reversal of 49298966640 is 4666989294.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-3 number, since 3×49298966640³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 324564 + ... + 451596.

Almost surely, 2^49298966640 is an apocalyptic number.

49298966640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49298966640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105051528504).

49298966640 is an abundant number, since it is smaller than the sum of its proper divisors (160804090368).

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

49298966640 is a wasteful number, since it uses less digits than its factorization.

49298966640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127077 (or 127061 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 49298966640 in words is "forty-nine billion, two hundred ninety-eight million, nine hundred sixty-six thousand, six hundred forty".