49660280893440 has 1664 divisors, whose sum is σ = 207317171865600. Its totient is φ = 11042920857600.

The previous prime is 49660280893423. The next prime is 49660280893441. The reversal of 49660280893440 is 4439808206694.

49660280893440 is a `hidden beast` number, since 4 + 9 + 6 + 6 + 0 + 280 + 8 + 9 + 344 + 0 = 666.

It is a super-2 number, since 2×49660280893440² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49660280893441) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23065619404 + ... + 23065621556.

Almost surely, 2^{49660280893440} is an apocalyptic number.

49660280893440 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 49660280893440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103658585932800).

49660280893440 is an abundant number, since it is smaller than the sum of its proper divisors (157656890972160).

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

49660280893440 is a wasteful number, since it uses less digits than its factorization.

49660280893440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 49660280893440 in words is "forty-nine trillion, six hundred sixty billion, two hundred eighty million, eight hundred ninety-three thousand, four hundred forty".