1156773402 has 96 divisors (see below), whose sum is σ = 2693742480. Its totient is φ = 358041600.

The previous prime is 1156773391. The next prime is 1156773419. The reversal of 1156773402 is 2043776511.

It is a happy number.

1156773402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1113490161 + 43283241 = 33369^2 + 6579^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1950418 + ... + 1951010.

Almost surely, 2^1156773402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156773402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346871240).

1156773402 is an abundant number, since it is smaller than the sum of its proper divisors (1536969078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156773402 is a wasteful number, since it uses less digits than its factorization.

1156773402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1156773402 is about 34011.3716571384. The cubic root of 1156773402 is about 1049.7424620078.

The spelling of 1156773402 in words is "one billion, one hundred fifty-six million, seven hundred seventy-three thousand, four hundred two".