29954549142 has 64 divisors (see below), whose sum is σ = 80079014400. Its totient is φ = 8107996320.

The previous prime is 29954549129. The next prime is 29954549147. The reversal of 29954549142 is 24194545992.

29954549142 is a `hidden beast` number, since 2 + 9 + 9 + 54 + 549 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29954549147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078209 + ... + 2092572.

It is an arithmetic number, because the mean of its divisors is an integer number (1251234600).

Almost surely, 2^29954549142 is an apocalyptic number.

29954549142 is an abundant number, since it is smaller than the sum of its proper divisors (50124465258).

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

29954549142 is a wasteful number, since it uses less digits than its factorization.

29954549142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170818 (or 4170812 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 29954549142 in words is "twenty-nine billion, nine hundred fifty-four million, five hundred forty-nine thousand, one hundred forty-two".