2051426746368 has 504 divisors, whose sum is σ = 6284003919648. Its totient is φ = 668605612032.

The previous prime is 2051426746319. The next prime is 2051426746417. The reversal of 2051426746368 is 8636476241502.

2051426746368 is a `hidden beast` number, since 2 + 0 + 5 + 14 + 267 + 4 + 6 + 368 = 666.

It is an interprime number because it is at equal distance from previous prime (2051426746319) and next prime (2051426746417).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21148729296 + ... + 21148729392.

Almost surely, 2^{2051426746368} 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 2051426746368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142001959824).

2051426746368 is an abundant number, since it is smaller than the sum of its proper divisors (4232577173280).

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

2051426746368 is an frugal number, since it uses more digits than its factorization.

2051426746368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 2051426746368 in words is "two trillion, fifty-one billion, four hundred twenty-six million, seven hundred forty-six thousand, three hundred sixty-eight".