1042636420500 has 48 divisors (see below), whose sum is σ = 3036157260864. Its totient is φ = 278036378400.

The previous prime is 1042636420457. The next prime is 1042636420517. The reversal of 1042636420500 is 50246362401.

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, 347543974 + ... + 347546973.

It is an arithmetic number, because the mean of its divisors is an integer number (63253276268).

Almost surely, 2^{1042636420500} is an apocalyptic number.

1042636420500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042636420500 is an abundant number, since it is smaller than the sum of its proper divisors (1993520840364).

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

1042636420500 is a wasteful number, since it uses less digits than its factorization.

1042636420500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695090969 (or 695090957 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 1042636420500 in words is "one trillion, forty-two billion, six hundred thirty-six million, four hundred twenty thousand, five hundred".