16229377892440 has 32 divisors (see below), whose sum is σ = 36851110362000. Its totient is φ = 6432193805184.

The previous prime is 16229377892423. The next prime is 16229377892477. The reversal of 16229377892440 is 4429877392261.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1861162830 + ... + 1861171549.

Almost surely, 2^{16229377892440} is an apocalyptic number.

16229377892440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16229377892440 is an abundant number, since it is smaller than the sum of its proper divisors (20621732469560).

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

16229377892440 is a wasteful number, since it uses less digits than its factorization.

16229377892440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722334499 (or 3722334495 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 16229377892440 in words is "sixteen trillion, two hundred twenty-nine billion, three hundred seventy-seven million, eight hundred ninety-two thousand, four hundred forty".