15254413540240 has 80 divisors (see below), whose sum is σ = 40535702334720. Its totient is φ = 5229756080640.

The previous prime is 15254413540189. The next prime is 15254413540273. The reversal of 15254413540240 is 4204531445251.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 15254413540193 and 15254413540202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8151045 + ... + 9846235.

It is an arithmetic number, because the mean of its divisors is an integer number (506696279184).

Almost surely, 2^{15254413540240} is an apocalyptic number.

15254413540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15254413540240 is an abundant number, since it is smaller than the sum of its proper divisors (25281288794480).

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

15254413540240 is a wasteful number, since it uses less digits than its factorization.

15254413540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711280 (or 1711274 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 15254413540240 its reverse (4204531445251), we get a palindrome (19458944985491).

The spelling of 15254413540240 in words is "fifteen trillion, two hundred fifty-four billion, four hundred thirteen million, five hundred forty thousand, two hundred forty".