1401105524240 has 20 divisors (see below), whose sum is σ = 3257570344044. Its totient is φ = 560442209664.

The previous prime is 1401105524237. The next prime is 1401105524249. The reversal of 1401105524240 is 424255011041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 268473204736 + 1132632319504 = 518144^2 + 1064252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1401105524249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756909447 + ... + 8756909606.

Almost surely, 2^{1401105524240} is an apocalyptic number.

1401105524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401105524240 is an abundant number, since it is smaller than the sum of its proper divisors (1856464819804).

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

1401105524240 is a wasteful number, since it uses less digits than its factorization.

1401105524240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513819066 (or 17513819060 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 1401105524240 in words is "one trillion, four hundred one billion, one hundred five million, five hundred twenty-four thousand, two hundred forty".