142399054980 has 576 divisors, whose sum is σ = 556555603968. Its totient is φ = 28644295680.

The previous prime is 142399054961. The next prime is 142399055053. The reversal of 142399054980 is 89450993241.

142399054980 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 9 + 90 + 549 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 206076435 + ... + 206077125.

It is an arithmetic number, because the mean of its divisors is an integer number (966242368).

Almost surely, 2^142399054980 is an apocalyptic number.

142399054980 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 142399054980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278277801984).

142399054980 is an abundant number, since it is smaller than the sum of its proper divisors (414156548988).

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

142399054980 is a wasteful number, since it uses less digits than its factorization.

142399054980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 142399054980 in words is "one hundred forty-two billion, three hundred ninety-nine million, fifty-four thousand, nine hundred eighty".