42466036545 has 48 divisors (see below), whose sum is σ = 80850706560. Its totient is φ = 20523621888.

The previous prime is 42466036541. The next prime is 42466036597. The reversal of 42466036545 is 54563066424.

It is a happy number.

42466036545 is a `hidden beast` number, since 4 + 2 + 46 + 60 + 3 + 6 + 545 = 666.

It is not a de Polignac number, because 42466036545 - 2² = 42466036541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42466036545.

It is not an unprimeable number, because it can be changed into a prime (42466036541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1060072 + ... + 1099401.

It is an arithmetic number, because the mean of its divisors is an integer number (1684389720).

Almost surely, 2^42466036545 is an apocalyptic number.

42466036545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42466036545 is a deficient number, since it is larger than the sum of its proper divisors (38384670015).

42466036545 is a wasteful number, since it uses less digits than its factorization.

42466036545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159526 (or 2159523 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 42466036545 in words is "forty-two billion, four hundred sixty-six million, thirty-six thousand, five hundred forty-five".