842540104 has 48 divisors (see below), whose sum is σ = 1934420400. Its totient is φ = 342080928.

The previous prime is 842540087. The next prime is 842540107. The reversal of 842540104 is 401045248.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (842540107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49114 + ... + 64009.

It is an arithmetic number, because the mean of its divisors is an integer number (40300425).

Almost surely, 2^842540104 is an apocalyptic number.

It is an amenable number.

842540104 is an abundant number, since it is smaller than the sum of its proper divisors (1091880296).

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

842540104 is a wasteful number, since it uses less digits than its factorization.

842540104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113162 (or 113151 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 842540104 is about 29026.5413716481. The cubic root of 842540104 is about 944.4889051559.

The spelling of 842540104 in words is "eight hundred forty-two million, five hundred forty thousand, one hundred four".