1204231403040 has 192 divisors, whose sum is σ = 4002212592000. Its totient is φ = 303523282944.

The previous prime is 1204231403029. The next prime is 1204231403107. The reversal of 1204231403040 is 403041324021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1204231403040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3796486 + ... + 4101434.

It is an arithmetic number, because the mean of its divisors is an integer number (20844857250).

Almost surely, 2^{1204231403040} is an apocalyptic number.

1204231403040 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 1204231403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001106296000).

1204231403040 is an abundant number, since it is smaller than the sum of its proper divisors (2797981188960).

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

1204231403040 is a wasteful number, since it uses less digits than its factorization.

1204231403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305419 (or 305411 counting only the distinct ones).

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

Adding to 1204231403040 its reverse (403041324021), we get a palindrome (1607272727061).

The spelling of 1204231403040 in words is "one trillion, two hundred four billion, two hundred thirty-one million, four hundred three thousand, forty".