1040266655 has 16 divisors (see below), whose sum is σ = 1337805504. Its totient is φ = 774512640.

The previous prime is 1040266649. The next prime is 1040266673. The reversal of 1040266655 is 5566620401.

It is not a de Polignac number, because 1040266655 - 2¹⁰ = 1040265631 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 117986 + ... + 126495.

It is an arithmetic number, because the mean of its divisors is an integer number (83612844).

Almost surely, 2^1040266655 is an apocalyptic number.

1040266655 is a deficient number, since it is larger than the sum of its proper divisors (297538849).

1040266655 is a wasteful number, since it uses less digits than its factorization.

1040266655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244546.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1040266655 is about 32253.1650384889. The cubic root of 1040266655 is about 1013.2459874529.

The spelling of 1040266655 in words is "one billion, forty million, two hundred sixty-six thousand, six hundred fifty-five".