13776401390 has 16 divisors (see below), whose sum is σ = 25402340880. Its totient is φ = 5376156480.

The previous prime is 13776401389. The next prime is 13776401393. The reversal of 13776401390 is 9310467731.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776401393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16800080 + ... + 16800899.

It is an arithmetic number, because the mean of its divisors is an integer number (1587646305).

Almost surely, 2^13776401390 is an apocalyptic number.

13776401390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13776401390 is a deficient number, since it is larger than the sum of its proper divisors (11625939490).

13776401390 is a wasteful number, since it uses less digits than its factorization.

13776401390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601027.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 13776401390 in words is "thirteen billion, seven hundred seventy-six million, four hundred one thousand, three hundred ninety".