1045142042400 has 216 divisors, whose sum is σ = 3729837056400. Its totient is φ = 275346501120.

The previous prime is 1045142042393. The next prime is 1045142042429. The reversal of 1045142042400 is 42402415401.

1045142042400 is a `hidden beast` number, since 1 + 0 + 4 + 51 + 4 + 204 + 2 + 400 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 276850 + ... + 1472049.

It is an arithmetic number, because the mean of its divisors is an integer number (17267764150).

Almost surely, 2^{1045142042400} is an apocalyptic number.

1045142042400 is a gapful number since it is divisible by the number (10) 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 1045142042400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864918528200).

1045142042400 is an abundant number, since it is smaller than the sum of its proper divisors (2684695014000).

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

1045142042400 is a wasteful number, since it uses less digits than its factorization.

1045142042400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749008 (or 1748992 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 1045142042400 its reverse (42402415401), we get a palindrome (1087544457801).

The spelling of 1045142042400 in words is "one trillion, forty-five billion, one hundred forty-two million, forty-two thousand, four hundred".