2051444253242 has 16 divisors (see below), whose sum is σ = 3097468413312. Its totient is φ = 1018957745520.

The previous prime is 2051444253163. The next prime is 2051444253277. The reversal of 2051444253242 is 2423524441502.

It is a junction number, because it is equal to n+sod(n) for n = 2051444253196 and 2051444253205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650267 + ... + 2127377.

It is an arithmetic number, because the mean of its divisors is an integer number (193591775832).

Almost surely, 2^{2051444253242} is an apocalyptic number.

2051444253242 is a deficient number, since it is larger than the sum of its proper divisors (1046024160070).

2051444253242 is a wasteful number, since it uses less digits than its factorization.

2051444253242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481693.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 2051444253242 its reverse (2423524441502), we get a palindrome (4474968694744).

The spelling of 2051444253242 in words is "two trillion, fifty-one billion, four hundred forty-four million, two hundred fifty-three thousand, two hundred forty-two".