29459402320 has 20 divisors (see below), whose sum is σ = 68493110580. Its totient is φ = 11783760896.

The previous prime is 29459402303. The next prime is 29459402339. The reversal of 29459402320 is 2320495492.

It can be written as a sum of positive squares in 2 ways, for example, as 5943793216 + 23515609104 = 77096^2 + 153348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184121185 + ... + 184121344.

It is an arithmetic number, because the mean of its divisors is an integer number (3424655529).

Almost surely, 2^29459402320 is an apocalyptic number.

29459402320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29459402320 is an abundant number, since it is smaller than the sum of its proper divisors (39033708260).

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

29459402320 is a wasteful number, since it uses less digits than its factorization.

29459402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368242542 (or 368242536 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 29459402320 in words is "twenty-nine billion, four hundred fifty-nine million, four hundred two thousand, three hundred twenty".