1010204030040 has 128 divisors (see below), whose sum is σ = 3193493472000. Its totient is φ = 254939401728.

The previous prime is 1010204030023. The next prime is 1010204030063. The reversal of 1010204030040 is 400304020101.

1010204030040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 1925226 + ... + 2393094.

It is an arithmetic number, because the mean of its divisors is an integer number (24949167750).

Almost surely, 2^{1010204030040} is an apocalyptic number.

1010204030040 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 1010204030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596746736000).

1010204030040 is an abundant number, since it is smaller than the sum of its proper divisors (2183289441960).

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

1010204030040 is a wasteful number, since it uses less digits than its factorization.

1010204030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468849 (or 468845 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1010204030040 its reverse (400304020101), we get a palindrome (1410508050141).

The spelling of 1010204030040 in words is "one trillion, ten billion, two hundred four million, thirty thousand, forty".