1005859943040 has 64 divisors (see below), whose sum is σ = 3206178574560. Its totient is φ = 268229317632.

The previous prime is 1005859943003. The next prime is 1005859943071. The reversal of 1005859943040 is 403499585001.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261940774 + ... + 261944613.

Almost surely, 2^{1005859943040} is an apocalyptic number.

1005859943040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005859943040 is an abundant number, since it is smaller than the sum of its proper divisors (2200318631520).

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

1005859943040 is an equidigital number, since it uses as much as digits as its factorization.

1005859943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523885409 (or 523885397 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 1005859943040 in words is "one trillion, five billion, eight hundred fifty-nine million, nine hundred forty-three thousand, forty".