42045078759 has 64 divisors (see below), whose sum is σ = 61225113600. Its totient is φ = 25568428032.

The previous prime is 42045078743. The next prime is 42045078781. The reversal of 42045078759 is 95787054024.

It is a happy number.

It is not a de Polignac number, because 42045078759 - 2⁴ = 42045078743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045078709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58476802 + ... + 58477520.

It is an arithmetic number, because the mean of its divisors is an integer number (956642400).

Almost surely, 2^42045078759 is an apocalyptic number.

42045078759 is a deficient number, since it is larger than the sum of its proper divisors (19180034841).

42045078759 is a wasteful number, since it uses less digits than its factorization.

42045078759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 42045078759 in words is "forty-two billion, forty-five million, seventy-eight thousand, seven hundred fifty-nine".