283640311436 has 12 divisors (see below), whose sum is σ = 522495310680. Its totient is φ = 134355936960.

The previous prime is 283640311411. The next prime is 283640311441. The reversal of 283640311436 is 634113046382.

It is a super-2 number, since 2×283640311436² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283640311393 and 283640311402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866054605 + ... + 1866054756.

It is an arithmetic number, because the mean of its divisors is an integer number (43541275890).

Almost surely, 2^283640311436 is an apocalyptic number.

It is an amenable number.

283640311436 is a deficient number, since it is larger than the sum of its proper divisors (238854999244).

283640311436 is a wasteful number, since it uses less digits than its factorization.

283640311436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732109384 (or 3732109382 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 283640311436 in words is "two hundred eighty-three billion, six hundred forty million, three hundred eleven thousand, four hundred thirty-six".