1010021240040 has 128 divisors (see below), whose sum is σ = 3226227408000. Its totient is φ = 252079259648.

The previous prime is 1010021240017. The next prime is 1010021240077. The reversal of 1010021240040 is 400421200101.

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

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, 1017825 + ... + 1748144.

It is an arithmetic number, because the mean of its divisors is an integer number (25204901625).

Almost surely, 2^{1010021240040} is an apocalyptic number.

1010021240040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010021240040 is an abundant number, since it is smaller than the sum of its proper divisors (2216206167960).

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

1010021240040 is a wasteful number, since it uses less digits than its factorization.

1010021240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766179 (or 2766175 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1010021240040 its reverse (400421200101), we get a palindrome (1410442440141).

The spelling of 1010021240040 in words is "one trillion, ten billion, twenty-one million, two hundred forty thousand, forty".