142211640942 has 24 divisors (see below), whose sum is σ = 352143111216. Its totient is φ = 40631897376.

The previous prime is 142211640941. The next prime is 142211640943. The reversal of 142211640942 is 249046112241.

142211640942 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 1 + 1 + 640 + 9 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (142211640941) and next prime (142211640943).

It is a junction number, because it is equal to n+sod(n) for n = 142211640897 and 142211640906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142211640941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564331783 + ... + 564332034.

It is an arithmetic number, because the mean of its divisors is an integer number (14672629634).

Almost surely, 2^142211640942 is an apocalyptic number.

142211640942 is an abundant number, since it is smaller than the sum of its proper divisors (209931470274).

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

142211640942 is a wasteful number, since it uses less digits than its factorization.

142211640942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128663832 (or 1128663829 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 142211640942 in words is "one hundred forty-two billion, two hundred eleven million, six hundred forty thousand, nine hundred forty-two".