1042002015544 has 96 divisors (see below), whose sum is σ = 2278233369360. Its totient is φ = 445493260800.

The previous prime is 1042002015521. The next prime is 1042002015581. The reversal of 1042002015544 is 4455102002401.

1042002015544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 439476679 + ... + 439479049.

Almost surely, 2^{1042002015544} is an apocalyptic number.

1042002015544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042002015544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139116684680).

1042002015544 is an abundant number, since it is smaller than the sum of its proper divisors (1236231353816).

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

1042002015544 is a wasteful number, since it uses less digits than its factorization.

1042002015544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 1042002015544 its reverse (4455102002401), we get a palindrome (5497104017945).

The spelling of 1042002015544 in words is "one trillion, forty-two billion, two million, fifteen thousand, five hundred forty-four".