1040782755 has 16 divisors (see below), whose sum is σ = 1763208864. Its totient is φ = 522432000.

The previous prime is 1040782739. The next prime is 1040782777. The reversal of 1040782755 is 5572870401.

It is not a de Polignac number, because 1040782755 - 2⁴ = 1040782739 is a prime.

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, 2040496 + ... + 2041005.

It is an arithmetic number, because the mean of its divisors is an integer number (110200554).

Almost surely, 2^1040782755 is an apocalyptic number.

1040782755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040782755 is a deficient number, since it is larger than the sum of its proper divisors (722426109).

1040782755 is a wasteful number, since it uses less digits than its factorization.

1040782755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081526.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 1040782755 is about 32261.1648115811. The cubic root of 1040782755 is about 1013.4135245600.

The spelling of 1040782755 in words is "one billion, forty million, seven hundred eighty-two thousand, seven hundred fifty-five".