1013240001040 has 80 divisors (see below), whose sum is σ = 2382157657152. Its totient is φ = 400772316672.

The previous prime is 1013240001029. The next prime is 1013240001077. The reversal of 1013240001040 is 401000423101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4574122 + ... + 4790518.

Almost surely, 2^{1013240001040} is an apocalyptic number.

1013240001040 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 1013240001040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191078828576).

1013240001040 is an abundant number, since it is smaller than the sum of its proper divisors (1368917656112).

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

1013240001040 is a wasteful number, since it uses less digits than its factorization.

1013240001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217064 (or 217058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1013240001040 its reverse (401000423101), we get a palindrome (1414240424141).

The spelling of 1013240001040 in words is "one trillion, thirteen billion, two hundred forty million, one thousand, forty".