1045451204340 has 24 divisors (see below), whose sum is σ = 2927263372320. Its totient is φ = 278786987808.

The previous prime is 1045451204333. The next prime is 1045451204423. The reversal of 1045451204340 is 434021545401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8712093310 + ... + 8712093429.

It is an arithmetic number, because the mean of its divisors is an integer number (121969307180).

Almost surely, 2^{1045451204340} is an apocalyptic number.

1045451204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045451204340 is an abundant number, since it is smaller than the sum of its proper divisors (1881812167980).

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

1045451204340 is a wasteful number, since it uses less digits than its factorization.

1045451204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424186751 (or 17424186749 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1045451204340 its reverse (434021545401), we get a palindrome (1479472749741).

The spelling of 1045451204340 in words is "one trillion, forty-five billion, four hundred fifty-one million, two hundred four thousand, three hundred forty".