403220040990 has 64 divisors (see below), whose sum is σ = 1087480429056. Its totient is φ = 94938763392.

The previous prime is 403220040959. The next prime is 403220040991. The reversal of 403220040990 is 99040022304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403220040991) 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, 22467064 + ... + 22485003.

It is an arithmetic number, because the mean of its divisors is an integer number (16991881704).

Almost surely, 2^403220040990 is an apocalyptic number.

403220040990 is an abundant number, since it is smaller than the sum of its proper divisors (684260388066).

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

403220040990 is a wasteful number, since it uses less digits than its factorization.

403220040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44952113.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 403220040990 in words is "four hundred three billion, two hundred twenty million, forty thousand, nine hundred ninety".