1406240061215 has 8 divisors (see below), whose sum is σ = 1840896080208. Its totient is φ = 1022720044480.

The previous prime is 1406240061203. The next prime is 1406240061269. The reversal of 1406240061215 is 5121600426041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406240061215 - 2⁶ = 1406240061151 is a prime.

It is a super-2 number, since 2×1406240061215² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12784000502 + ... + 12784000611.

It is an arithmetic number, because the mean of its divisors is an integer number (230112010026).

Almost surely, 2^{1406240061215} is an apocalyptic number.

1406240061215 is a deficient number, since it is larger than the sum of its proper divisors (434656018993).

1406240061215 is a wasteful number, since it uses less digits than its factorization.

1406240061215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25568001129.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 1406240061215 its reverse (5121600426041), we get a palindrome (6527840487256).

The spelling of 1406240061215 in words is "one trillion, four hundred six billion, two hundred forty million, sixty-one thousand, two hundred fifteen".