42077123802 has 48 divisors (see below), whose sum is σ = 104202858240. Its totient is φ = 12020664096.

The previous prime is 42077123801. The next prime is 42077123821. The reversal of 42077123802 is 20832177024.

42077123802 is a `hidden beast` number, since 4 + 207 + 71 + 2 + 380 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (42077123801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1711348 + ... + 1735760.

It is an arithmetic number, because the mean of its divisors is an integer number (2170892880).

Almost surely, 2^42077123802 is an apocalyptic number.

42077123802 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42077123802 is an abundant number, since it is smaller than the sum of its proper divisors (62125734438).

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

42077123802 is a wasteful number, since it uses less digits than its factorization.

42077123802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38107 (or 38104 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 42077123802 in words is "forty-two billion, seventy-seven million, one hundred twenty-three thousand, eight hundred two".