1051785240 has 192 divisors, whose sum is σ = 3673162080. Its totient is φ = 239923200.

The previous prime is 1051785211. The next prime is 1051785313. The reversal of 1051785240 is 425871501.

1051785240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051785240² = 2212504382163715200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244710 + ... + 248970.

Almost surely, 2^1051785240 is an apocalyptic number.

1051785240 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 1051785240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836581040).

1051785240 is an abundant number, since it is smaller than the sum of its proper divisors (2621376840).

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

1051785240 is a wasteful number, since it uses less digits than its factorization.

1051785240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1051785240 is about 32431.2386442455. The cubic root of 1051785240 is about 1016.9720660342.

The spelling of 1051785240 in words is "one billion, fifty-one million, seven hundred eighty-five thousand, two hundred forty".