455142015440 has 240 divisors, whose sum is σ = 1286057544192. Its totient is φ = 149082329088.

The previous prime is 455142015437. The next prime is 455142015539. The reversal of 455142015440 is 44510241554.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 455142015440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88083737 + ... + 88088903.

Almost surely, 2^455142015440 is an apocalyptic number.

455142015440 is a gapful number since it is divisible by the number (40) 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 455142015440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643028772096).

455142015440 is an abundant number, since it is smaller than the sum of its proper divisors (830915528752).

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

455142015440 is a wasteful number, since it uses less digits than its factorization.

455142015440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194 (or 6181 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 455142015440 its reverse (44510241554), we get a palindrome (499652256994).

The spelling of 455142015440 in words is "four hundred fifty-five billion, one hundred forty-two million, fifteen thousand, four hundred forty".