40029601220 has 24 divisors (see below), whose sum is σ = 96071043264. Its totient is φ = 13724434656.

The previous prime is 40029601207. The next prime is 40029601243. The reversal of 40029601220 is 2210692004.

It is a self number, because there is not a number n which added to its sum of digits gives 40029601220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142962722 + ... + 142963001.

It is an arithmetic number, because the mean of its divisors is an integer number (4002960136).

Almost surely, 2^40029601220 is an apocalyptic number.

It is an amenable number.

40029601220 is an abundant number, since it is smaller than the sum of its proper divisors (56041442044).

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

40029601220 is a wasteful number, since it uses less digits than its factorization.

40029601220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285925739 (or 285925737 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 40029601220 in words is "forty billion, twenty-nine million, six hundred one thousand, two hundred twenty".