42838035840 has 160 divisors (see below), whose sum is σ = 152982545760. Its totient is φ = 11423462400.

The previous prime is 42838035833. The next prime is 42838035881. The reversal of 42838035840 is 4853083824.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 361336 + ... + 465015.

It is an arithmetic number, because the mean of its divisors is an integer number (956140911).

Almost surely, 2^42838035840 is an apocalyptic number.

42838035840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42838035840 is an abundant number, since it is smaller than the sum of its proper divisors (110144509920).

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

42838035840 is an equidigital number, since it uses as much as digits as its factorization.

42838035840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826382 (or 826361 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 42838035840 in words is "forty-two billion, eight hundred thirty-eight million, thirty-five thousand, eight hundred forty".