142449476951040 has 1408 divisors, whose sum is σ = 581076865843200. Its totient is φ = 28995417538560.

The previous prime is 142449476951039. The next prime is 142449476951141. The reversal of 142449476951040 is 40159674944241.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 34416397291 + ... + 34416401429.

Almost surely, 2^{142449476951040} is an apocalyptic number.

142449476951040 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 142449476951040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290538432921600).

142449476951040 is an abundant number, since it is smaller than the sum of its proper divisors (438627388892160).

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

142449476951040 is a wasteful number, since it uses less digits than its factorization.

142449476951040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 142449476951040 in words is "one hundred forty-two trillion, four hundred forty-nine billion, four hundred seventy-six million, nine hundred fifty-one thousand, forty".