252405400350 has 24 divisors (see below), whose sum is σ = 625965393240. Its totient is φ = 67308106720.

The previous prime is 252405400249. The next prime is 252405400363. The reversal of 252405400350 is 53004504252.

It is a super-2 number, since 2×252405400350² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841351185 + ... + 841351484.

It is an arithmetic number, because the mean of its divisors is an integer number (26081891385).

Almost surely, 2^252405400350 is an apocalyptic number.

252405400350 is an abundant number, since it is smaller than the sum of its proper divisors (373559992890).

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

252405400350 is a wasteful number, since it uses less digits than its factorization.

252405400350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682702684 (or 1682702679 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 252405400350 in words is "two hundred fifty-two billion, four hundred five million, four hundred thousand, three hundred fifty".