2051863296 has 144 divisors (see below), whose sum is σ = 6347846400. Its totient is φ = 576221184.

The previous prime is 2051863277. The next prime is 2051863337. The reversal of 2051863296 is 6923681502.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313950 + ... + 320418.

Almost surely, 2^2051863296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051863296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3173923200).

2051863296 is an abundant number, since it is smaller than the sum of its proper divisors (4295983104).

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

2051863296 is an equidigital number, since it uses as much as digits as its factorization.

2051863296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554 (or 6540 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2051863296 is about 45297.4976792317. The cubic root of 2051863296 is about 1270.7188556426.

The spelling of 2051863296 in words is "two billion, fifty-one million, eight hundred sixty-three thousand, two hundred ninety-six".