1049307909840 has 200 divisors, whose sum is σ = 3652638457248. Its totient is φ = 279183041280.

The previous prime is 1049307909791. The next prime is 1049307909863. The reversal of 1049307909840 is 489097039401.

1049307909840 is a `hidden beast` number, since 1 + 0 + 493 + 0 + 79 + 0 + 9 + 84 + 0 = 666.

It is a super-2 number, since 2×1049307909840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2687875 + ... + 3053405.

Almost surely, 2^{1049307909840} is an apocalyptic number.

1049307909840 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 1049307909840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826319228624).

1049307909840 is an abundant number, since it is smaller than the sum of its proper divisors (2603330547408).

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

1049307909840 is a wasteful number, since it uses less digits than its factorization.

1049307909840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365999 (or 365984 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 1049307909840 in words is "one trillion, forty-nine billion, three hundred seven million, nine hundred nine thousand, eight hundred forty".