29456545272 has 128 divisors (see below), whose sum is σ = 96644966400. Its totient is φ = 7248355200.

The previous prime is 29456545267. The next prime is 29456545277. The reversal of 29456545272 is 27254565492.

It is an interprime number because it is at equal distance from previous prime (29456545267) and next prime (29456545277).

It is a super-2 number, since 2×29456545272² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29456545277) 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, 384354 + ... + 454577.

It is an arithmetic number, because the mean of its divisors is an integer number (755038800).

Almost surely, 2^29456545272 is an apocalyptic number.

29456545272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29456545272 is an abundant number, since it is smaller than the sum of its proper divisors (67188421128).

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

29456545272 is a wasteful number, since it uses less digits than its factorization.

29456545272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838977 (or 838973 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 29456545272 in words is "twenty-nine billion, four hundred fifty-six million, five hundred forty-five thousand, two hundred seventy-two".