1156426408 has 8 divisors (see below), whose sum is σ = 2168299530. Its totient is φ = 578213200.

The previous prime is 1156426357. The next prime is 1156426409. The reversal of 1156426408 is 8046246511.

It can be written as a sum of positive squares in only one way, i.e., 861892164 + 294534244 = 29358^2 + 17162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1156426409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72276643 + ... + 72276658.

Almost surely, 2^1156426408 is an apocalyptic number.

It is an amenable number.

1156426408 is a deficient number, since it is larger than the sum of its proper divisors (1011873122).

1156426408 is a wasteful number, since it uses less digits than its factorization.

1156426408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144553307 (or 144553303 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1156426408 is about 34006.2701277279. The cubic root of 1156426408 is about 1049.6374887656.

The spelling of 1156426408 in words is "one billion, one hundred fifty-six million, four hundred twenty-six thousand, four hundred eight".