42446657012077 has 16 divisors (see below), whose sum is σ = 47341129190400. Its totient is φ = 37821444756480.

The previous prime is 42446657012069. The next prime is 42446657012083. The reversal of 42446657012077 is 77021075664424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42446657012077 - 2³ = 42446657012069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446657012777) 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, 44193052 + ... + 45143317.

It is an arithmetic number, because the mean of its divisors is an integer number (2958820574400).

Almost surely, 2^{42446657012077} is an apocalyptic number.

It is an amenable number.

42446657012077 is a deficient number, since it is larger than the sum of its proper divisors (4894472178323).

42446657012077 is a wasteful number, since it uses less digits than its factorization.

42446657012077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89337876.

The product of its (nonzero) digits is 15805440, while the sum is 55.

The spelling of 42446657012077 in words is "forty-two trillion, four hundred forty-six billion, six hundred fifty-seven million, twelve thousand, seventy-seven".