29738266340 has 24 divisors (see below), whose sum is σ = 64603821240. Its totient is φ = 11485123328.

The previous prime is 29738266339. The next prime is 29738266357. The reversal of 29738266340 is 4366283792.

It can be written as a sum of positive squares in 4 ways, for example, as 253255396 + 29485010944 = 15914^2 + 171712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25635857 + ... + 25637016.

It is an arithmetic number, because the mean of its divisors is an integer number (2691825885).

Almost surely, 2^29738266340 is an apocalyptic number.

29738266340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29738266340 is an abundant number, since it is smaller than the sum of its proper divisors (34865554900).

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

29738266340 is a wasteful number, since it uses less digits than its factorization.

29738266340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51272911 (or 51272909 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 29738266340 in words is "twenty-nine billion, seven hundred thirty-eight million, two hundred sixty-six thousand, three hundred forty".