1442134478078 has 32 divisors (see below), whose sum is σ = 2513957022720. Its totient is φ = 607712582880.

The previous prime is 1442134478077. The next prime is 1442134478111. The reversal of 1442134478078 is 8708744312441.

It is a super-2 number, since 2×1442134478078² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442134478077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3407126 + ... + 3806937.

It is an arithmetic number, because the mean of its divisors is an integer number (78561156960).

Almost surely, 2^{1442134478078} is an apocalyptic number.

1442134478078 is a deficient number, since it is larger than the sum of its proper divisors (1071822544642).

1442134478078 is a wasteful number, since it uses less digits than its factorization.

1442134478078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214312.

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 1442134478078 in words is "one trillion, four hundred forty-two billion, one hundred thirty-four million, four hundred seventy-eight thousand, seventy-eight".