1401220435045 has 16 divisors (see below), whose sum is σ = 1736003492352. Its totient is φ = 1084629458880.

The previous prime is 1401220435039. The next prime is 1401220435063. The reversal of 1401220435045 is 5405340221041.

It is not a de Polignac number, because 1401220435045 - 2¹⁹ = 1401219910757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401220434998 and 1401220435016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132079 + ... + 1679251.

It is an arithmetic number, because the mean of its divisors is an integer number (108500218272).

Almost surely, 2^{1401220435045} is an apocalyptic number.

It is an amenable number.

1401220435045 is a deficient number, since it is larger than the sum of its proper divisors (334783057307).

1401220435045 is a wasteful number, since it uses less digits than its factorization.

1401220435045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553052.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1401220435045 its reverse (5405340221041), we get a palindrome (6806560656086).

The spelling of 1401220435045 in words is "one trillion, four hundred one billion, two hundred twenty million, four hundred thirty-five thousand, forty-five".