29064040 has 16 divisors (see below), whose sum is σ = 65394180. Its totient is φ = 11625600.

The previous prime is 29064023. The next prime is 29064059. The reversal of 29064040 is 4046092.

It can be written as a sum of positive squares in 2 ways, for example, as 28536964 + 527076 = 5342^2 + 726^2 .

It is a super-2 number, since 2×29064040² = 1689436842243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29063996 and 29064014.

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, 363261 + ... + 363340.

Almost surely, 2^29064040 is an apocalyptic number.

29064040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29064040 is an abundant number, since it is smaller than the sum of its proper divisors (36330140).

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

29064040 is a wasteful number, since it uses less digits than its factorization.

29064040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726612 (or 726608 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 29064040 is about 5391.1074928998. The cubic root of 29064040 is about 307.4576670743.

The spelling of 29064040 in words is "twenty-nine million, sixty-four thousand, forty".