64028055142 has 4 divisors (see below), whose sum is σ = 96042082716. Its totient is φ = 32014027570.

The previous prime is 64028055139. The next prime is 64028055151. The reversal of 64028055142 is 24155082046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24155082046 = 2 ⋅12077541023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16007013784 + ... + 16007013787.

It is an arithmetic number, because the mean of its divisors is an integer number (24010520679).

Almost surely, 2^64028055142 is an apocalyptic number.

64028055142 is a deficient number, since it is larger than the sum of its proper divisors (32014027574).

64028055142 is a wasteful number, since it uses less digits than its factorization.

64028055142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32014027573.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 64028055142 in words is "sixty-four billion, twenty-eight million, fifty-five thousand, one hundred forty-two".