1436720423444 has 12 divisors (see below), whose sum is σ = 2537327354100. Its totient is φ = 711769750848.

The previous prime is 1436720423431. The next prime is 1436720423519. The reversal of 1436720423444 is 4443240276341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 884329590544 + 552390832900 = 940388^2 + 743230^2 .

It is a super-3 number, since 3×1436720423444³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1436720423395 and 1436720423404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647614729 + ... + 1647615600.

It is an arithmetic number, because the mean of its divisors is an integer number (211443946175).

Almost surely, 2^{1436720423444} is an apocalyptic number.

It is an amenable number.

1436720423444 is a deficient number, since it is larger than the sum of its proper divisors (1100606930656).

1436720423444 is a wasteful number, since it uses less digits than its factorization.

1436720423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295230442 (or 3295230440 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 44.

Adding to 1436720423444 its reverse (4443240276341), we get a palindrome (5879960699785).

The spelling of 1436720423444 in words is "one trillion, four hundred thirty-six billion, seven hundred twenty million, four hundred twenty-three thousand, four hundred forty-four".