1864970850000 has 240 divisors, whose sum is σ = 6216187138560. Its totient is φ = 481281600000.

The previous prime is 1864970849977. The next prime is 1864970850107. The reversal of 1864970850000 is 580794681.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4449466 + ... + 4850534.

It is an arithmetic number, because the mean of its divisors is an integer number (25900779744).

Almost surely, 2^{1864970850000} is an apocalyptic number.

1864970850000 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 1864970850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108093569280).

1864970850000 is an abundant number, since it is smaller than the sum of its proper divisors (4351216288560).

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

1864970850000 is an equidigital number, since it uses as much as digits as its factorization.

1864970850000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401136 (or 401110 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1864970850000 in words is "one trillion, eight hundred sixty-four billion, nine hundred seventy million, eight hundred fifty thousand".