1043000772840 has 384 divisors, whose sum is σ = 3760554470400. Its totient is φ = 249069219840.

The previous prime is 1043000772833. The next prime is 1043000772883. The reversal of 1043000772840 is 482770003401.

It is a happy number.

1043000772840 is a `hidden beast` number, since 1 + 0 + 4 + 300 + 0 + 77 + 284 + 0 = 666.

It is a super-2 number, since 2×1043000772840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1043000772795 and 1043000772804.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34331337 + ... + 34361703.

It is an arithmetic number, because the mean of its divisors is an integer number (9793110600).

Almost surely, 2^{1043000772840} is an apocalyptic number.

1043000772840 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 1043000772840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880277235200).

1043000772840 is an abundant number, since it is smaller than the sum of its proper divisors (2717553697560).

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

1043000772840 is a wasteful number, since it uses less digits than its factorization.

1043000772840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30617 (or 30610 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 1043000772840 in words is "one trillion, forty-three billion, seven hundred seventy-two thousand, eight hundred forty".