1085337840 has 40 divisors (see below), whose sum is σ = 3364548048. Its totient is φ = 289423360.

The previous prime is 1085337833. The next prime is 1085337853. The reversal of 1085337840 is 487335801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260881 + ... + 2261360.

Almost surely, 2^1085337840 is an apocalyptic number.

1085337840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085337840 is an abundant number, since it is smaller than the sum of its proper divisors (2279210208).

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

1085337840 is a wasteful number, since it uses less digits than its factorization.

1085337840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522257 (or 4522251 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1085337840 is about 32944.4659996182. The cubic root of 1085337840 is about 1027.6730831256.

The spelling of 1085337840 in words is "one billion, eighty-five million, three hundred thirty-seven thousand, eight hundred forty".