142999849440 has 240 divisors, whose sum is σ = 576766425312. Its totient is φ = 32685659136.

The previous prime is 142999849423. The next prime is 142999849469. The reversal of 142999849440 is 44948999241.

142999849440 is a `hidden beast` number, since 1 + 4 + 29 + 99 + 84 + 9 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 697419 + ... + 878858.

Almost surely, 2^142999849440 is an apocalyptic number.

142999849440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142999849440 is an abundant number, since it is smaller than the sum of its proper divisors (433766575872).

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

142999849440 is a wasteful number, since it uses less digits than its factorization.

142999849440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576311 (or 1576294 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 142999849440 in words is "one hundred forty-two billion, nine hundred ninety-nine million, eight hundred forty-nine thousand, four hundred forty".