2049740421120 has 1152 divisors, whose sum is σ = 8451639705600. Its totient is φ = 449665302528.

The previous prime is 2049740421109. The next prime is 2049740421121. The reversal of 2049740421120 is 211240479402.

It is a happy number.

2049740421120 is a `hidden beast` number, since 2 + 0 + 49 + 74 + 0 + 421 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049740421121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1885685217 + ... + 1885686303.

It is an arithmetic number, because the mean of its divisors is an integer number (7336492800).

Almost surely, 2^{2049740421120} is an apocalyptic number.

2049740421120 is a gapful number since it is divisible by the number (20) 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 2049740421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225819852800).

2049740421120 is an abundant number, since it is smaller than the sum of its proper divisors (6401899284480).

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

2049740421120 is a wasteful number, since it uses less digits than its factorization.

2049740421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 2049740421120 in words is "two trillion, forty-nine billion, seven hundred forty million, four hundred twenty-one thousand, one hundred twenty".