64454526442 has 16 divisors (see below), whose sum is σ = 97269984000. Its totient is φ = 32031736000.

The previous prime is 64454526413. The next prime is 64454526457. The reversal of 64454526442 is 24462545446.

It is a junction number, because it is equal to n+sod(n) for n = 64454526392 and 64454526401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106434 + ... + 374482.

It is an arithmetic number, because the mean of its divisors is an integer number (6079374000).

Almost surely, 2^64454526442 is an apocalyptic number.

64454526442 is a deficient number, since it is larger than the sum of its proper divisors (32815457558).

64454526442 is a wasteful number, since it uses less digits than its factorization.

64454526442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268781.

The product of its digits is 3686400, while the sum is 46.

The spelling of 64454526442 in words is "sixty-four billion, four hundred fifty-four million, five hundred twenty-six thousand, four hundred forty-two".