1234402401440 has 48 divisors (see below), whose sum is σ = 3140604576648. Its totient is φ = 455779347456.

The previous prime is 1234402401437. The next prime is 1234402401469. The reversal of 1234402401440 is 441042044321.

It can be written as a sum of positive squares in 4 ways, for example, as 426999516304 + 807402885136 = 653452^2 + 898556^2 .

It is a super-4 number, since 4×1234402401440⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296729267 + ... + 296733426.

Almost surely, 2^{1234402401440} is an apocalyptic number.

1234402401440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234402401440 is an abundant number, since it is smaller than the sum of its proper divisors (1906202175208).

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

1234402401440 is a wasteful number, since it uses less digits than its factorization.

1234402401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593462721 (or 593462713 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1234402401440 its reverse (441042044321), we get a palindrome (1675444445761).

The spelling of 1234402401440 in words is "one trillion, two hundred thirty-four billion, four hundred two million, four hundred one thousand, four hundred forty".