426640151 has 8 divisors (see below), whose sum is σ = 495853440. Its totient is φ = 359493048.

The previous prime is 426640139. The next prime is 426640153. The reversal of 426640151 is 151046624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426640151 - 2¹⁰ = 426639127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426640153) 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, 516101 + ... + 516926.

It is an arithmetic number, because the mean of its divisors is an integer number (61981680).

Almost surely, 2^426640151 is an apocalyptic number.

426640151 is a deficient number, since it is larger than the sum of its proper divisors (69213289).

426640151 is a wasteful number, since it uses less digits than its factorization.

426640151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033093.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 426640151 is about 20655.2693277043. The cubic root of 426640151 is about 752.8132276582.

Adding to 426640151 its reverse (151046624), we get a palindrome (577686775).

The spelling of 426640151 in words is "four hundred twenty-six million, six hundred forty thousand, one hundred fifty-one".