1042647950640 has 80 divisors (see below), whose sum is σ = 3232642428000. Its totient is φ = 278002139136.

The previous prime is 1042647950623. The next prime is 1042647950677. The reversal of 1042647950640 is 460597462401.

It is a happy number.

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

It is a super-2 number, since 2×1042647950640² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1042647950640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524016 + ... + 2099504.

It is an arithmetic number, because the mean of its divisors is an integer number (40408030350).

Almost surely, 2^{1042647950640} is an apocalyptic number.

1042647950640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042647950640 is an abundant number, since it is smaller than the sum of its proper divisors (2189994477360).

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

1042647950640 is a wasteful number, since it uses less digits than its factorization.

1042647950640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583054 (or 583048 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 1042647950640 in words is "one trillion, forty-two billion, six hundred forty-seven million, nine hundred fifty thousand, six hundred forty".