426662554 has 4 divisors (see below), whose sum is σ = 639993834. Its totient is φ = 213331276.

The previous prime is 426662539. The next prime is 426662563. The reversal of 426662554 is 455266624.

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., 425803225 + 859329 = 20635^2 + 927^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665637 + ... + 106665640.

Almost surely, 2^426662554 is an apocalyptic number.

426662554 is a deficient number, since it is larger than the sum of its proper divisors (213331280).

426662554 is a wasteful number, since it uses less digits than its factorization.

426662554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213331279.

The product of its digits is 345600, while the sum is 40.

The square root of 426662554 is about 20655.8116277236. The cubic root of 426662554 is about 752.8264042424.

The spelling of 426662554 in words is "four hundred twenty-six million, six hundred sixty-two thousand, five hundred fifty-four".