1000403140340 has 24 divisors (see below), whose sum is σ = 2211417468960. Its totient is φ = 379100137248.

The previous prime is 1000403140327. The next prime is 1000403140361. The reversal of 1000403140340 is 430413040001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1316319542 + ... + 1316320301.

It is an arithmetic number, because the mean of its divisors is an integer number (92142394540).

Almost surely, 2^{1000403140340} is an apocalyptic number.

1000403140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000403140340 is an abundant number, since it is smaller than the sum of its proper divisors (1211014328620).

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

1000403140340 is a wasteful number, since it uses less digits than its factorization.

1000403140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632639871 (or 2632639869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000403140340 its reverse (430413040001), we get a palindrome (1430816180341).

The spelling of 1000403140340 in words is "one trillion, four hundred three million, one hundred forty thousand, three hundred forty".