2071900572540 has 96 divisors (see below), whose sum is σ = 5990654208000. Its totient is φ = 534488198400.

The previous prime is 2071900572493. The next prime is 2071900572569. The reversal of 2071900572540 is 452750091702.

It is a junction number, because it is equal to n+sod(n) for n = 2071900572492 and 2071900572501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4910535 + ... + 5315745.

It is an arithmetic number, because the mean of its divisors is an integer number (62402648000).

Almost surely, 2^{2071900572540} is an apocalyptic number.

2071900572540 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 2071900572540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995327104000).

2071900572540 is an abundant number, since it is smaller than the sum of its proper divisors (3918753635460).

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

2071900572540 is a wasteful number, since it uses less digits than its factorization.

2071900572540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408003 (or 408001 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 2071900572540 in words is "two trillion, seventy-one billion, nine hundred million, five hundred seventy-two thousand, five hundred forty".