1204869219840 has 1600 divisors, whose sum is σ = 5120694754560. Its totient is φ = 266933698560.

The previous prime is 1204869219793. The next prime is 1204869219877. The reversal of 1204869219840 is 489129684021.

It is a happy number.

1204869219840 is a `hidden beast` number, since 1 + 20 + 486 + 92 + 19 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5307793807 + ... + 5307794033.

Almost surely, 2^{1204869219840} is an apocalyptic number.

1204869219840 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 1204869219840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560347377280).

1204869219840 is an abundant number, since it is smaller than the sum of its proper divisors (3915825534720).

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

1204869219840 is a wasteful number, since it uses less digits than its factorization.

1204869219840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 1204869219840 in words is "one trillion, two hundred four billion, eight hundred sixty-nine million, two hundred nineteen thousand, eight hundred forty".