49940143211520 has 2112 divisors, whose sum is σ = 195578332185600. Its totient is φ = 12178514903040.

The previous prime is 49940143211489. The next prime is 49940143211549. The reversal of 49940143211520 is 2511234104994.

49940143211520 is a `hidden beast` number, since 4 + 9 + 9 + 401 + 4 + 3 + 211 + 5 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85076904667 + ... + 85076905253.

Almost surely, 2^{49940143211520} is an apocalyptic number.

49940143211520 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 49940143211520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97789166092800).

49940143211520 is an abundant number, since it is smaller than the sum of its proper divisors (145638188974080).

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

49940143211520 is a wasteful number, since it uses less digits than its factorization.

49940143211520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 49940143211520 in words is "forty-nine trillion, nine hundred forty billion, one hundred forty-three million, two hundred eleven thousand, five hundred twenty".