142940726028 has 48 divisors (see below), whose sum is σ = 370908801760. Its totient is φ = 47605542912.

The previous prime is 142940726023. The next prime is 142940726029. The reversal of 142940726028 is 820627049241.

142940726028 is a `hidden beast` number, since 14 + 29 + 4 + 0 + 7 + 2 + 602 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (142940726023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449425 + ... + 698472.

Almost surely, 2^142940726028 is an apocalyptic number.

142940726028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142940726028 is an abundant number, since it is smaller than the sum of its proper divisors (227968075732).

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

142940726028 is a wasteful number, since it uses less digits than its factorization.

142940726028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149063 (or 1149055 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 142940726028 in words is "one hundred forty-two billion, nine hundred forty million, seven hundred twenty-six thousand, twenty-eight".