1241442145540 has 48 divisors (see below), whose sum is σ = 2677698327024. Its totient is φ = 483118041600.

The previous prime is 1241442145519. The next prime is 1241442145609. The reversal of 1241442145540 is 455412441421.

It can be written as a sum of positive squares in 8 ways, for example, as 242865638596 + 998576506944 = 492814^2 + 999288^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1241442145540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10553850 + ... + 10670830.

It is an arithmetic number, because the mean of its divisors is an integer number (55785381813).

Almost surely, 2^{1241442145540} is an apocalyptic number.

1241442145540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241442145540 is an abundant number, since it is smaller than the sum of its proper divisors (1436256181484).

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

1241442145540 is a wasteful number, since it uses less digits than its factorization.

1241442145540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131368 (or 131366 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 1241442145540 its reverse (455412441421), we get a palindrome (1696854586961).

The spelling of 1241442145540 in words is "one trillion, two hundred forty-one billion, four hundred forty-two million, one hundred forty-five thousand, five hundred forty".