1246422553040 has 120 divisors (see below), whose sum is σ = 3400897897800. Its totient is φ = 423562911744.

The previous prime is 1246422553031. The next prime is 1246422553063. The reversal of 1246422553040 is 403552246421.

It can be written as a sum of positive squares in 4 ways, for example, as 36959293504 + 1209463259536 = 192248^2 + 1099756^2 .

It is a super-2 number, since 2×1246422553040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1246422552985 and 1246422553003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963965 + ... + 1849884.

It is an arithmetic number, because the mean of its divisors is an integer number (28340815815).

Almost surely, 2^{1246422553040} is an apocalyptic number.

1246422553040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246422553040 is an abundant number, since it is smaller than the sum of its proper divisors (2154475344760).

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

1246422553040 is a wasteful number, since it uses less digits than its factorization.

1246422553040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813989 (or 2813976 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 1246422553040 its reverse (403552246421), we get a palindrome (1649974799461).

The spelling of 1246422553040 in words is "one trillion, two hundred forty-six billion, four hundred twenty-two million, five hundred fifty-three thousand, forty".