1002142343400 has 384 divisors, whose sum is σ = 3487240373760. Its totient is φ = 235930752000.

The previous prime is 1002142343383. The next prime is 1002142343413. The reversal of 1002142343400 is 43432412001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139434607 + ... + 139441793.

It is an arithmetic number, because the mean of its divisors is an integer number (9081355140).

Almost surely, 2^{1002142343400} is an apocalyptic number.

1002142343400 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 1002142343400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743620186880).

1002142343400 is an abundant number, since it is smaller than the sum of its proper divisors (2485098030360).

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

1002142343400 is a wasteful number, since it uses less digits than its factorization.

1002142343400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825 (or 7816 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1002142343400 its reverse (43432412001), we get a palindrome (1045574755401).

The spelling of 1002142343400 in words is "one trillion, two billion, one hundred forty-two million, three hundred forty-three thousand, four hundred".