1040838655 has 8 divisors (see below), whose sum is σ = 1255284000. Its totient is φ = 828485856.

The previous prime is 1040838653. The next prime is 1040838683. The reversal of 1040838655 is 5568380401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040838655 - 2¹ = 1040838653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040838653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522040 + ... + 524029.

It is an arithmetic number, because the mean of its divisors is an integer number (156910500).

Almost surely, 2^1040838655 is an apocalyptic number.

1040838655 is a deficient number, since it is larger than the sum of its proper divisors (214445345).

1040838655 is a wasteful number, since it uses less digits than its factorization.

1040838655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046273.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1040838655 is about 32262.0311666826. The cubic root of 1040838655 is about 1013.4316675719.

The spelling of 1040838655 in words is "one billion, forty million, eight hundred thirty-eight thousand, six hundred fifty-five".