4015591443422 has 16 divisors (see below), whose sum is σ = 6486805905552. Its totient is φ = 1853326678080.

The previous prime is 4015591443421. The next prime is 4015591443431. The reversal of 4015591443422 is 2243441955104.

It is a super-2 number, since 2×4015591443422² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015591443421) 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, 1243097 + ... + 3094587.

It is an arithmetic number, because the mean of its divisors is an integer number (405425369097).

Almost surely, 2^{4015591443422} is an apocalyptic number.

4015591443422 is a deficient number, since it is larger than the sum of its proper divisors (2471214462130).

4015591443422 is a wasteful number, since it uses less digits than its factorization.

4015591443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934923.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 4015591443422 in words is "four trillion, fifteen billion, five hundred ninety-one million, four hundred forty-three thousand, four hundred twenty-two".