1004253550040 has 128 divisors (see below), whose sum is σ = 2521208592000. Its totient is φ = 357458239488.

The previous prime is 1004253550037. The next prime is 1004253550073. The reversal of 1004253550040 is 400553524001.

1004253550040 is digitally balanced in base 2, because in such base 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 (29).

It is a junction number, because it is equal to n+sod(n) for n = 1004253549985 and 1004253550012.

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, 9705296 + ... + 9808224.

It is an arithmetic number, because the mean of its divisors is an integer number (19696942125).

Almost surely, 2^{1004253550040} is an apocalyptic number.

1004253550040 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 1004253550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260604296000).

1004253550040 is an abundant number, since it is smaller than the sum of its proper divisors (1516955041960).

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

1004253550040 is a wasteful number, since it uses less digits than its factorization.

1004253550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103629 (or 103625 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 1004253550040 in words is "one trillion, four billion, two hundred fifty-three million, five hundred fifty thousand, forty".