350621442 has 24 divisors (see below), whose sum is σ = 763006140. Its totient is φ = 116362080.

The previous prime is 350621431. The next prime is 350621471. The reversal of 350621442 is 244126053.

350621442 is a `hidden beast` number, since 35 + 0 + 621 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 255968001 + 94653441 = 15999^2 + 9729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38409 + ... + 46652.

Almost surely, 2^350621442 is an apocalyptic number.

350621442 is an abundant number, since it is smaller than the sum of its proper divisors (412384698).

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

350621442 is a wasteful number, since it uses less digits than its factorization.

350621442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85298 (or 85295 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 350621442 is about 18724.8883040727. Note that the first 3 decimals coincide. The cubic root of 350621442 is about 705.1467206327.

Adding to 350621442 its reverse (244126053), we get a palindrome (594747495).

The spelling of 350621442 in words is "three hundred fifty million, six hundred twenty-one thousand, four hundred forty-two".