15400250054 has 16 divisors (see below), whose sum is σ = 27953395488. Its totient is φ = 6211865472.

The previous prime is 15400250053. The next prime is 15400250069. The reversal of 15400250054 is 45005200451.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400250051) 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, 32353229 + ... + 32353704.

It is an arithmetic number, because the mean of its divisors is an integer number (1747087218).

Almost surely, 2^15400250054 is an apocalyptic number.

15400250054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15400250054 is a deficient number, since it is larger than the sum of its proper divisors (12553145434).

15400250054 is a wasteful number, since it uses less digits than its factorization.

15400250054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64706959.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 15400250054 in words is "fifteen billion, four hundred million, two hundred fifty thousand, fifty-four".