2051257104 has 180 divisors, whose sum is σ = 6419112960. Its totient is φ = 610571520.

The previous prime is 2051257099. The next prime is 2051257121. The reversal of 2051257104 is 4017521502.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 753057 + ... + 755775.

Almost surely, 2^2051257104 is an apocalyptic number.

2051257104 is a gapful number since it is divisible by the number (24) 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 2051257104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209556480).

2051257104 is an abundant number, since it is smaller than the sum of its proper divisors (4367855856).

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

2051257104 is a wasteful number, since it uses less digits than its factorization.

2051257104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2051257104 is about 45290.8059544098. The cubic root of 2051257104 is about 1270.5937050902.

Adding to 2051257104 its reverse (4017521502), we get a palindrome (6068778606).

The spelling of 2051257104 in words is "two billion, fifty-one million, two hundred fifty-seven thousand, one hundred four".