49396743454464 has 576 divisors, whose sum is σ = 170903843712000. Its totient is φ = 13954679709696.

The previous prime is 49396743454459. The next prime is 49396743454477. The reversal of 49396743454464 is 46445434769394.

49396743454464 is a `hidden beast` number, since 4 + 9 + 3 + 9 + 6 + 74 + 3 + 4 + 544 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×49396743454464² (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 junction number, because it is equal to n+sod(n) for n = 49396743454392 and 49396743454401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348729447 + ... + 348871065.

It is an arithmetic number, because the mean of its divisors is an integer number (296708062000).

Almost surely, 2^{49396743454464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49396743454464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85451921856000).

49396743454464 is an abundant number, since it is smaller than the sum of its proper divisors (121507100257536).

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

49396743454464 is an frugal number, since it uses more digits than its factorization.

49396743454464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141752 (or 141720 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 72.

The spelling of 49396743454464 in words is "forty-nine trillion, three hundred ninety-six billion, seven hundred forty-three million, four hundred fifty-four thousand, four hundred sixty-four".