1040212542040 has 64 divisors (see below), whose sum is σ = 2674937079360. Its totient is φ = 356630323200.

The previous prime is 1040212542023. The next prime is 1040212542077. The reversal of 1040212542040 is 402452120401.

It is a junction number, because it is equal to n+sod(n) for n = 1040212541996 and 1040212542014.

It is a congruent number.

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, 9181740 + ... + 9294340.

It is an arithmetic number, because the mean of its divisors is an integer number (41795891865).

Almost surely, 2^{1040212542040} is an apocalyptic number.

1040212542040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040212542040 is an abundant number, since it is smaller than the sum of its proper divisors (1634724537320).

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

1040212542040 is a wasteful number, since it uses less digits than its factorization.

1040212542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145612 (or 145608 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 1040212542040 its reverse (402452120401), we get a palindrome (1442664662441).

The spelling of 1040212542040 in words is "one trillion, forty billion, two hundred twelve million, five hundred forty-two thousand, forty".