10104020442 has 48 divisors (see below), whose sum is σ = 22662811080. Its totient is φ = 3249590400.

The previous prime is 10104020389. The next prime is 10104020453. The reversal of 10104020442 is 24402040101.

It can be written as a sum of positive squares in 4 ways, for example, as 8830172961 + 1273847481 = 93969^2 + 35691^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840192 + ... + 852132.

Almost surely, 2^10104020442 is an apocalyptic number.

10104020442 is an abundant number, since it is smaller than the sum of its proper divisors (12558790638).

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

10104020442 is a wasteful number, since it uses less digits than its factorization.

10104020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599 (or 13596 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10104020442 its reverse (24402040101), we get a palindrome (34506060543).

The spelling of 10104020442 in words is "ten billion, one hundred four million, twenty thousand, four hundred forty-two".