1040551349 has 8 divisors (see below), whose sum is σ = 1123234560. Its totient is φ = 960988336.

The previous prime is 1040551319. The next prime is 1040551381. The reversal of 1040551349 is 9431550401.

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 1040551349 - 2²⁸ = 772115893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040551319) 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, 779357 + ... + 780690.

It is an arithmetic number, because the mean of its divisors is an integer number (140404320).

Almost surely, 2^1040551349 is an apocalyptic number.

It is an amenable number.

1040551349 is a deficient number, since it is larger than the sum of its proper divisors (82683211).

1040551349 is a wasteful number, since it uses less digits than its factorization.

1040551349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560099.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1040551349 is about 32257.5781638982. The cubic root of 1040551349 is about 1013.3384120701.

The spelling of 1040551349 in words is "one billion, forty million, five hundred fifty-one thousand, three hundred forty-nine".