1406143551240 has 96 divisors (see below), whose sum is σ = 4580570217600. Its totient is φ = 374101568640.

The previous prime is 1406143551229. The next prime is 1406143551283. The reversal of 1406143551240 is 421553416041.

1406143551240 is a `hidden beast` number, since 1 + 4 + 0 + 61 + 4 + 3 + 551 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1406143551195 and 1406143551204.

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, 4376110 + ... + 4686429.

It is an arithmetic number, because the mean of its divisors is an integer number (47714273100).

Almost surely, 2^{1406143551240} is an apocalyptic number.

1406143551240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406143551240 is an abundant number, since it is smaller than the sum of its proper divisors (3174426666360).

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

1406143551240 is a wasteful number, since it uses less digits than its factorization.

1406143551240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062987 (or 9062980 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 1406143551240 its reverse (421553416041), we get a palindrome (1827696967281).

The spelling of 1406143551240 in words is "one trillion, four hundred six billion, one hundred forty-three million, five hundred fifty-one thousand, two hundred forty".