1042304031540 has 48 divisors (see below), whose sum is σ = 3242723655360. Its totient is φ = 277947741600.

The previous prime is 1042304031493. The next prime is 1042304031577. The reversal of 1042304031540 is 451304032401.

It is a happy number.

1042304031540 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 304 + 0 + 315 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965095786 + ... + 965096865.

It is an arithmetic number, because the mean of its divisors is an integer number (67556742820).

Almost surely, 2^{1042304031540} is an apocalyptic number.

1042304031540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042304031540 is an abundant number, since it is smaller than the sum of its proper divisors (2200419623820).

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

1042304031540 is a wasteful number, since it uses less digits than its factorization.

1042304031540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930192669 (or 1930192661 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1042304031540 its reverse (451304032401), we get a palindrome (1493608063941).

The spelling of 1042304031540 in words is "one trillion, forty-two billion, three hundred four million, thirty-one thousand, five hundred forty".