15740818401 has 16 divisors (see below), whose sum is σ = 26166555648. Its totient is φ = 8177048400.

The previous prime is 15740818399. The next prime is 15740818459. The reversal of 15740818401 is 10481804751.

It is not a de Polignac number, because 15740818401 - 2¹ = 15740818399 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15740818401.

It is not an unprimeable number, because it can be changed into a prime (15740818001) 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 15 ways as a sum of consecutive naturals, for example, 34070805 + ... + 34071266.

It is an arithmetic number, because the mean of its divisors is an integer number (1635409728).

Almost surely, 2^15740818401 is an apocalyptic number.

15740818401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15740818401 is a deficient number, since it is larger than the sum of its proper divisors (10425737247).

15740818401 is a wasteful number, since it uses less digits than its factorization.

15740818401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68142092.

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 15740818401 in words is "fifteen billion, seven hundred forty million, eight hundred eighteen thousand, four hundred one".