1047273246400 has 84 divisors (see below), whose sum is σ = 2582538456960. Its totient is φ = 418000307200.

The previous prime is 1047273246391. The next prime is 1047273246427. The reversal of 1047273246400 is 46423727401.

It is a super-2 number, since 2×1047273246400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27681 + ... + 1447519.

It is an arithmetic number, because the mean of its divisors is an integer number (30744505440).

Almost surely, 2^{1047273246400} is an apocalyptic number.

1047273246400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047273246400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291269228480).

1047273246400 is an abundant number, since it is smaller than the sum of its proper divisors (1535265210560).

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

1047273246400 is a wasteful number, since it uses less digits than its factorization.

1047273246400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420322 (or 1420307 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 1047273246400 in words is "one trillion, forty-seven billion, two hundred seventy-three million, two hundred forty-six thousand, four hundred".