355412240 has 40 divisors (see below), whose sum is σ = 827351808. Its totient is φ = 141989760.

The previous prime is 355412237. The next prime is 355412249. The reversal of 355412240 is 42214553.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (355412249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77039 + ... + 81521.

Almost surely, 2^355412240 is an apocalyptic number.

It is an amenable number.

355412240 is an abundant number, since it is smaller than the sum of its proper divisors (471939568).

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

355412240 is a wasteful number, since it uses less digits than its factorization.

355412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 355412240 is about 18852.3802210755. The cubic root of 355412240 is about 708.3438486405.

Adding to 355412240 its reverse (42214553), we get a palindrome (397626793).

The spelling of 355412240 in words is "three hundred fifty-five million, four hundred twelve thousand, two hundred forty".