1042134432400 has 30 divisors (see below), whose sum is σ = 2503727974802. Its totient is φ = 416853772800.

The previous prime is 1042134432289. The next prime is 1042134432401. The reversal of 1042134432400 is 42344312401.

It can be written as a sum of positive squares in 3 ways, for example, as 7210727056 + 1034923705344 = 84916^2 + 1017312^2 .

It is not an unprimeable number, because it can be changed into a prime (1042134432401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1302667641 + ... + 1302668440.

Almost surely, 2^{1042134432400} is an apocalyptic number.

1042134432400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042134432400 is an abundant number, since it is smaller than the sum of its proper divisors (1461593542402).

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

1042134432400 is a wasteful number, since it uses less digits than its factorization.

1042134432400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605336099 (or 2605336088 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1042134432400 its reverse (42344312401), we get a palindrome (1084478744801).

The spelling of 1042134432400 in words is "one trillion, forty-two billion, one hundred thirty-four million, four hundred thirty-two thousand, four hundred".