16249450340 has 24 divisors (see below), whose sum is σ = 36131131512. Its totient is φ = 6117440000.

The previous prime is 16249450339. The next prime is 16249450369. The reversal of 16249450340 is 4305494261.

It can be written as a sum of positive squares in 4 ways, for example, as 303317056 + 15946133284 = 17416^2 + 126278^2 .

It is a super-2 number, since 2×16249450340² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16249450294 and 16249450303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23895911 + ... + 23896590.

It is an arithmetic number, because the mean of its divisors is an integer number (1505463813).

Almost surely, 2^16249450340 is an apocalyptic number.

16249450340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16249450340 is an abundant number, since it is smaller than the sum of its proper divisors (19881681172).

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

16249450340 is a wasteful number, since it uses less digits than its factorization.

16249450340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47792527 (or 47792525 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 16249450340 in words is "sixteen billion, two hundred forty-nine million, four hundred fifty thousand, three hundred forty".