2070017979840 has 336 divisors, whose sum is σ = 7546562292672. Its totient is φ = 519000588288.

The previous prime is 2070017979839. The next prime is 2070017979871. The reversal of 2070017979840 is 489797100702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48791917 + ... + 48834323.

Almost surely, 2^{2070017979840} is an apocalyptic number.

2070017979840 is a gapful number since it is divisible by the number (20) 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 2070017979840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773281146336).

2070017979840 is an abundant number, since it is smaller than the sum of its proper divisors (5476544312832).

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

2070017979840 is a wasteful number, since it uses less digits than its factorization.

2070017979840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43444 (or 43431 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 2070017979840 in words is "two trillion, seventy billion, seventeen million, nine hundred seventy-nine thousand, eight hundred forty".