1305400451010 has 64 divisors (see below), whose sum is σ = 3136860639360. Its totient is φ = 347673735680.

The previous prime is 1305400450927. The next prime is 1305400451011. The reversal of 1305400451010 is 101540045031.

It is a happy number.

It is a super-2 number, since 2×1305400451010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1305400451011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142490830 + ... + 142499990.

It is an arithmetic number, because the mean of its divisors is an integer number (49013447490).

Almost surely, 2^{1305400451010} is an apocalyptic number.

1305400451010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305400451010 is an abundant number, since it is smaller than the sum of its proper divisors (1831460188350).

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

1305400451010 is a wasteful number, since it uses less digits than its factorization.

1305400451010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1305400451010 its reverse (101540045031), we get a palindrome (1406940496041).

The spelling of 1305400451010 in words is "one trillion, three hundred five billion, four hundred million, four hundred fifty-one thousand, ten".