29220000363640 has 16 divisors (see below), whose sum is σ = 65745000818280. Its totient is φ = 11688000145440.

The previous prime is 29220000363613. The next prime is 29220000363641. The reversal of 29220000363640 is 4636300002292.

It is a super-2 number, since 2×29220000363640² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29220000363640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29220000363641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365250004506 + ... + 365250004585.

Almost surely, 2^{29220000363640} is an apocalyptic number.

29220000363640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29220000363640 is an abundant number, since it is smaller than the sum of its proper divisors (36525000454640).

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

29220000363640 is a wasteful number, since it uses less digits than its factorization.

29220000363640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730500009102 (or 730500009098 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 29220000363640 in words is "twenty-nine trillion, two hundred twenty billion, three hundred sixty-three thousand, six hundred forty".