1864611045000 has 240 divisors, whose sum is σ = 6884145805680. Its totient is φ = 452026800000.

The previous prime is 1864611044981. The next prime is 1864611045047. The reversal of 1864611045000 is 5401164681.

1864611045000 is a `hidden beast` number, since 1 + 8 + 6 + 46 + 1 + 104 + 500 + 0 = 666.

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 59 ways as a sum of consecutive naturals, for example, 1388446 + ... + 2378445.

It is an arithmetic number, because the mean of its divisors is an integer number (28683940857).

Almost surely, 2^{1864611045000} is an apocalyptic number.

1864611045000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1864611045000 is an abundant number, since it is smaller than the sum of its proper divisors (5019534760680).

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

1864611045000 is a wasteful number, since it uses less digits than its factorization.

1864611045000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766934 (or 3766912 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 1864611045000 in words is "one trillion, eight hundred sixty-four billion, six hundred eleven million, forty-five thousand".