1863386476940 has 48 divisors (see below), whose sum is σ = 3920126595840. Its totient is φ = 744019308480.

The previous prime is 1863386476883. The next prime is 1863386476993. The reversal of 1863386476940 is 496746833681.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34730735 + ... + 34784345.

It is an arithmetic number, because the mean of its divisors is an integer number (81669304080).

Almost surely, 2^{1863386476940} is an apocalyptic number.

1863386476940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1863386476940 is an abundant number, since it is smaller than the sum of its proper divisors (2056740118900).

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

1863386476940 is a wasteful number, since it uses less digits than its factorization.

1863386476940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56702 (or 56700 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 1863386476940 in words is "one trillion, eight hundred sixty-three billion, three hundred eighty-six million, four hundred seventy-six thousand, nine hundred forty".