1040243345542 has 32 divisors (see below), whose sum is σ = 1589758561440. Its totient is φ = 510424104960.

The previous prime is 1040243345521. The next prime is 1040243345551. The reversal of 1040243345542 is 2455433420401.

It is a super-2 number, since 2×1040243345542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14840317 + ... + 14910247.

It is an arithmetic number, because the mean of its divisors is an integer number (49679955045).

Almost surely, 2^{1040243345542} is an apocalyptic number.

1040243345542 is a deficient number, since it is larger than the sum of its proper divisors (549515215898).

1040243345542 is a wasteful number, since it uses less digits than its factorization.

1040243345542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70648.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1040243345542 its reverse (2455433420401), we get a palindrome (3495676765943).

The spelling of 1040243345542 in words is "one trillion, forty billion, two hundred forty-three million, three hundred forty-five thousand, five hundred forty-two".