1050781923240 has 64 divisors (see below), whose sum is σ = 3602680882560. Its totient is φ = 240178725120.

The previous prime is 1050781923223. The next prime is 1050781923251. The reversal of 1050781923240 is 423291870501.

It is a super-2 number, since 2×1050781923240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1050781923192 and 1050781923201.

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, 625464591 + ... + 625466270.

It is an arithmetic number, because the mean of its divisors is an integer number (56291888790).

Almost surely, 2^{1050781923240} is an apocalyptic number.

1050781923240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050781923240 is an abundant number, since it is smaller than the sum of its proper divisors (2551898959320).

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

1050781923240 is a wasteful number, since it uses less digits than its factorization.

1050781923240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250930882 (or 1250930878 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1050781923240 in words is "one trillion, fifty billion, seven hundred eighty-one million, nine hundred twenty-three thousand, two hundred forty".