29078990340 has 48 divisors (see below), whose sum is σ = 81876070080. Its totient is φ = 7711073920.

The previous prime is 29078990273. The next prime is 29078990377. The reversal of 29078990340 is 4309987092.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343031 + ... + 1364510.

It is an arithmetic number, because the mean of its divisors is an integer number (1705751460).

Almost surely, 2^29078990340 is an apocalyptic number.

29078990340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29078990340 is an abundant number, since it is smaller than the sum of its proper divisors (52797079740).

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

29078990340 is a wasteful number, since it uses less digits than its factorization.

29078990340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707732 (or 2707730 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 29078990340 in words is "twenty-nine billion, seventy-eight million, nine hundred ninety thousand, three hundred forty".