29239790087140 has 48 divisors (see below), whose sum is σ = 65029596815232. Its totient is φ = 11020421846016.

The previous prime is 29239790087107. The next prime is 29239790087141. The reversal of 29239790087140 is 4178009793292.

It is not an unprimeable number, because it can be changed into a prime (29239790087141) 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, 474333069 + ... + 474394708.

It is an arithmetic number, because the mean of its divisors is an integer number (1354783266984).

Almost surely, 2^{29239790087140} is an apocalyptic number.

29239790087140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29239790087140 is an abundant number, since it is smaller than the sum of its proper divisors (35789806728092).

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

29239790087140 is a wasteful number, since it uses less digits than its factorization.

29239790087140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948727876 (or 948727874 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 29239790087140 in words is "twenty-nine trillion, two hundred thirty-nine billion, seven hundred ninety million, eighty-seven thousand, one hundred forty".