15242041451340 has 216 divisors, whose sum is σ = 50837678538192. Its totient is φ = 3665937864960.

The previous prime is 15242041451321. The next prime is 15242041451341. The reversal of 15242041451340 is 4315414024251.

15242041451340 is a `hidden beast` number, since 1 + 52 + 4 + 204 + 14 + 51 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15242041451295 and 15242041451304.

It is not an unprimeable number, because it can be changed into a prime (15242041451341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31696782 + ... + 32174058.

It is an arithmetic number, because the mean of its divisors is an integer number (235359622862).

Almost surely, 2^{15242041451340} is an apocalyptic number.

15242041451340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15242041451340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25418839269096).

15242041451340 is an abundant number, since it is smaller than the sum of its proper divisors (35595637086852).

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

15242041451340 is a wasteful number, since it uses less digits than its factorization.

15242041451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477557 (or 477425 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 15242041451340 its reverse (4315414024251), we get a palindrome (19557455475591).

The spelling of 15242041451340 in words is "fifteen trillion, two hundred forty-two billion, forty-one million, four hundred fifty-one thousand, three hundred forty".