356644426 has 4 divisors (see below), whose sum is σ = 534966642. Its totient is φ = 178322212.

The previous prime is 356644399. The next prime is 356644427. The reversal of 356644426 is 624446653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 327646201 + 28998225 = 18101^2 + 5385^2 .

It is not an unprimeable number, because it can be changed into a prime (356644427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89161105 + ... + 89161108.

Almost surely, 2^356644426 is an apocalyptic number.

356644426 is a deficient number, since it is larger than the sum of its proper divisors (178322216).

356644426 is a wasteful number, since it uses less digits than its factorization.

356644426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178322215.

The product of its digits is 414720, while the sum is 40.

The square root of 356644426 is about 18885.0317976963. The cubic root of 356644426 is about 709.1614950782.

The spelling of 356644426 in words is "three hundred fifty-six million, six hundred forty-four thousand, four hundred twenty-six".