1051350442000 has 40 divisors (see below), whose sum is σ = 2542165373592. Its totient is φ = 420540176000.

The previous prime is 1051350441989. The next prime is 1051350442001. The reversal of 1051350442000 is 2440531501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15523166464 + 1035827275536 = 124592^2 + 1017756^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1051350442000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1051350442001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262835611 + ... + 262839610.

Almost surely, 2^{1051350442000} is an apocalyptic number.

1051350442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051350442000 is an abundant number, since it is smaller than the sum of its proper divisors (1490814931592).

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

1051350442000 is an equidigital number, since it uses as much as digits as its factorization.

1051350442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525675244 (or 525675228 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1051350442000 its reverse (2440531501), we get a palindrome (1053790973501).

The spelling of 1051350442000 in words is "one trillion, fifty-one billion, three hundred fifty million, four hundred forty-two thousand".