402216030620 has 24 divisors (see below), whose sum is σ = 858500448288. Its totient is φ = 158248929600.

The previous prime is 402216030607. The next prime is 402216030631. The reversal of 402216030620 is 26030612204.

It is a self number, because there is not a number n which added to its sum of digits gives 402216030620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164841416 + ... + 164843855.

It is an arithmetic number, because the mean of its divisors is an integer number (35770852012).

Almost surely, 2^402216030620 is an apocalyptic number.

It is an amenable number.

402216030620 is an abundant number, since it is smaller than the sum of its proper divisors (456284417668).

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

402216030620 is a wasteful number, since it uses less digits than its factorization.

402216030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329685341 (or 329685339 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 402216030620 its reverse (26030612204), we get a palindrome (428246642824).

The spelling of 402216030620 in words is "four hundred two billion, two hundred sixteen million, thirty thousand, six hundred twenty".