15400001547854 has 32 divisors (see below), whose sum is σ = 28865014315776. Its totient is φ = 5986456557120.

The previous prime is 15400001547841. The next prime is 15400001547859. The reversal of 15400001547854 is 45874510000451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400001547859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112798607 + ... + 112935050.

It is an arithmetic number, because the mean of its divisors is an integer number (902031697368).

Almost surely, 2^{15400001547854} is an apocalyptic number.

15400001547854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15400001547854 is a deficient number, since it is larger than the sum of its proper divisors (13465012767922).

15400001547854 is a wasteful number, since it uses less digits than its factorization.

15400001547854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225734120.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 15400001547854 in words is "fifteen trillion, four hundred billion, one million, five hundred forty-seven thousand, eight hundred fifty-four".