1401510543420 has 48 divisors (see below), whose sum is σ = 4226093333280. Its totient is φ = 344987210496.

The previous prime is 1401510543403. The next prime is 1401510543421. The reversal of 1401510543420 is 243450151041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401510543421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898403415 + ... + 898404974.

It is an arithmetic number, because the mean of its divisors is an integer number (88043611110).

Almost surely, 2^{1401510543420} is an apocalyptic number.

1401510543420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401510543420 is an abundant number, since it is smaller than the sum of its proper divisors (2824582789860).

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

1401510543420 is a wasteful number, since it uses less digits than its factorization.

1401510543420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796808414 (or 1796808412 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1401510543420 its reverse (243450151041), we get a palindrome (1644960694461).

The spelling of 1401510543420 in words is "one trillion, four hundred one billion, five hundred ten million, five hundred forty-three thousand, four hundred twenty".