1405622748742 has 8 divisors (see below), whose sum is σ = 2200105172016. Its totient is φ = 672254358072.

The previous prime is 1405622748689. The next prime is 1405622748743. The reversal of 1405622748742 is 2478472265041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1405622748742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405622748743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15278508093 + ... + 15278508184.

It is an arithmetic number, because the mean of its divisors is an integer number (275013146502).

Almost surely, 2^{1405622748742} is an apocalyptic number.

1405622748742 is a deficient number, since it is larger than the sum of its proper divisors (794482423274).

1405622748742 is a wasteful number, since it uses less digits than its factorization.

1405622748742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557016302.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 1405622748742 in words is "one trillion, four hundred five billion, six hundred twenty-two million, seven hundred forty-eight thousand, seven hundred forty-two".