7142406641 has 8 divisors (see below), whose sum is σ = 7535457600. Its totient is φ = 6751069200.

The previous prime is 7142406631. The next prime is 7142406659. The reversal of 7142406641 is 1466042417.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142406641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7142406631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419810 + ... + 436491.

It is an arithmetic number, because the mean of its divisors is an integer number (941932200).

Almost surely, 2^7142406641 is an apocalyptic number.

It is an amenable number.

7142406641 is a deficient number, since it is larger than the sum of its proper divisors (393050959).

7142406641 is a wasteful number, since it uses less digits than its factorization.

7142406641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856759.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 7142406641 is about 84512.7602258972. The cubic root of 7142406641 is about 1925.8162966069.

The spelling of 7142406641 in words is "seven billion, one hundred forty-two million, four hundred six thousand, six hundred forty-one".