42064465651644 has 48 divisors (see below), whose sum is σ = 98461883520000. Its totient is φ = 13977059327616.

The previous prime is 42064465651627. The next prime is 42064465651651. The reversal of 42064465651644 is 44615656446024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033237 + ... + 9230195.

It is an arithmetic number, because the mean of its divisors is an integer number (2051289240000).

Almost surely, 2^{42064465651644} is an apocalyptic number.

It is an amenable number.

42064465651644 is an abundant number, since it is smaller than the sum of its proper divisors (56397417868356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42064465651644 is a wasteful number, since it uses less digits than its factorization.

42064465651644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198322 (or 8198320 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 57.

The spelling of 42064465651644 in words is "forty-two trillion, sixty-four billion, four hundred sixty-five million, six hundred fifty-one thousand, six hundred forty-four".