2071040400 has 720 divisors, whose sum is σ = 8815060800. Its totient is φ = 460339200.

The previous prime is 2071040357. The next prime is 2071040437. The reversal of 2071040400 is 40401702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13899526 + ... + 13899674.

It is an arithmetic number, because the mean of its divisors is an integer number (12243140).

Almost surely, 2^2071040400 is an apocalyptic number.

2071040400 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 2071040400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407530400).

2071040400 is an abundant number, since it is smaller than the sum of its proper divisors (6744020400).

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

2071040400 is a wasteful number, since it uses less digits than its factorization.

2071040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2071040400 is about 45508.6848854150. The cubic root of 2071040400 is about 1274.6653793153.

The spelling of 2071040400 in words is "two billion, seventy-one million, forty thousand, four hundred".