1863040362120 has 288 divisors, whose sum is σ = 7094854330200. Its totient is φ = 422728943616.

The previous prime is 1863040362091. The next prime is 1863040362133. The reversal of 1863040362120 is 212630403681.

1863040362120 is a `hidden beast` number, since 1 + 8 + 6 + 3 + 0 + 4 + 0 + 3 + 621 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1861047096804 + 1993265316 = 1364202^2 + 44646^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2031226 + ... + 2802134.

Almost surely, 2^{1863040362120} is an apocalyptic number.

1863040362120 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 1863040362120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547427165100).

1863040362120 is an abundant number, since it is smaller than the sum of its proper divisors (5231813968080).

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

1863040362120 is a wasteful number, since it uses less digits than its factorization.

1863040362120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771077 (or 771063 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1863040362120 in words is "one trillion, eight hundred sixty-three billion, forty million, three hundred sixty-two thousand, one hundred twenty".