5401052404240 has 40 divisors (see below), whose sum is σ = 12597566536728. Its totient is φ = 2153518648320.

The previous prime is 5401052404207. The next prime is 5401052404243. The reversal of 5401052404240 is 424042501045.

It can be written as a sum of positive squares in 4 ways, for example, as 624624670224 + 4776427734016 = 790332^2 + 2185504^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5401052404243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107823451 + ... + 107873530.

Almost surely, 2^{5401052404240} is an apocalyptic number.

It is an amenable number.

5401052404240 is an abundant number, since it is smaller than the sum of its proper divisors (7196514132488).

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

5401052404240 is a wasteful number, since it uses less digits than its factorization.

5401052404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215697307 (or 215697301 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 5401052404240 its reverse (424042501045), we get a palindrome (5825094905285).

The spelling of 5401052404240 in words is "five trillion, four hundred one billion, fifty-two million, four hundred four thousand, two hundred forty".