215210400352 has 48 divisors (see below), whose sum is σ = 438375490560. Its totient is φ = 103878125568.

The previous prime is 215210400341. The next prime is 215210400479. The reversal of 215210400352 is 253004012512.

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, 7425313 + ... + 7454239.

It is an arithmetic number, because the mean of its divisors is an integer number (9132822720).

Almost surely, 2^215210400352 is an apocalyptic number.

It is an amenable number.

215210400352 is an abundant number, since it is smaller than the sum of its proper divisors (223165090208).

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

215210400352 is a wasteful number, since it uses less digits than its factorization.

215210400352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36983 (or 36975 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 215210400352 its reverse (253004012512), we get a palindrome (468214412864).

The spelling of 215210400352 in words is "two hundred fifteen billion, two hundred ten million, four hundred thousand, three hundred fifty-two".