1042401213244 has 24 divisors (see below), whose sum is σ = 1828276249968. Its totient is φ = 520037831040.

The previous prime is 1042401213239. The next prime is 1042401213281. The reversal of 1042401213244 is 4423121042401.

It is a super-2 number, since 2×1042401213244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3170439 + ... + 3483745.

It is an arithmetic number, because the mean of its divisors is an integer number (76178177082).

Almost surely, 2^{1042401213244} is an apocalyptic number.

It is an amenable number.

1042401213244 is a deficient number, since it is larger than the sum of its proper divisors (785875036724).

1042401213244 is a wasteful number, since it uses less digits than its factorization.

1042401213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315165 (or 315163 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1042401213244 its reverse (4423121042401), we get a palindrome (5465522255645).

The spelling of 1042401213244 in words is "one trillion, forty-two billion, four hundred one million, two hundred thirteen thousand, two hundred forty-four".