49690566761472 has 2112 divisors, whose sum is σ = 189038255616000. Its totient is φ = 12552535277568.

The previous prime is 49690566761467. The next prime is 49690566761489. The reversal of 49690566761472 is 27416766509694.

49690566761472 is a `hidden beast` number, since 4 + 9 + 6 + 90 + 5 + 6 + 6 + 7 + 61 + 472 = 666.

It is a super-2 number, since 2×49690566761472² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 49690566761472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 558320974804 + ... + 558320974892.

Almost surely, 2^{49690566761472} is an apocalyptic number.

49690566761472 is a gapful number since it is divisible by the number (42) 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 49690566761472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94519127808000).

49690566761472 is an abundant number, since it is smaller than the sum of its proper divisors (139347688854528).

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

49690566761472 is a wasteful number, since it uses less digits than its factorization.

49690566761472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 49690566761472 in words is "forty-nine trillion, six hundred ninety billion, five hundred sixty-six million, seven hundred sixty-one thousand, four hundred seventy-two".