1873064499840 has 384 divisors, whose sum is σ = 6512323334400. Its totient is φ = 496066830336.

The previous prime is 1873064499829. The next prime is 1873064499847. The reversal of 1873064499840 is 489944603781.

1873064499840 is a `hidden beast` number, since 1 + 8 + 7 + 3 + 0 + 64 + 499 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-4 number, since 4×1873064499840⁴ (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1873064499847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 610713987 + ... + 610717053.

It is an arithmetic number, because the mean of its divisors is an integer number (16959175350).

Almost surely, 2^{1873064499840} is an apocalyptic number.

1873064499840 is a gapful number since it is divisible by the number (10) 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 1873064499840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3256161667200).

1873064499840 is an abundant number, since it is smaller than the sum of its proper divisors (4639258834560).

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

1873064499840 is a wasteful number, since it uses less digits than its factorization.

1873064499840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 1873064499840 in words is "one trillion, eight hundred seventy-three billion, sixty-four million, four hundred ninety-nine thousand, eight hundred forty".