1241400345240 has 128 divisors (see below), whose sum is σ = 4301751006720. Its totient is φ = 283242854400.

The previous prime is 1241400345193. The next prime is 1241400345307. The reversal of 1241400345240 is 425430041421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1241400345198 and 1241400345207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27637996 + ... + 27682875.

It is an arithmetic number, because the mean of its divisors is an integer number (33607429740).

Almost surely, 2^{1241400345240} is an apocalyptic number.

1241400345240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241400345240 is an abundant number, since it is smaller than the sum of its proper divisors (3060350661480).

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

1241400345240 is a wasteful number, since it uses less digits than its factorization.

1241400345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55320913 (or 55320909 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1241400345240 its reverse (425430041421), we get a palindrome (1666830386661).

The spelling of 1241400345240 in words is "one trillion, two hundred forty-one billion, four hundred million, three hundred forty-five thousand, two hundred forty".