424026551 has 16 divisors (see below), whose sum is σ = 488134080. Its totient is φ = 365249280.

The previous prime is 424026539. The next prime is 424026593. The reversal of 424026551 is 155620424.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424026551 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 (424076551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5036 + ... + 29553.

It is an arithmetic number, because the mean of its divisors is an integer number (30508380).

Almost surely, 2^424026551 is an apocalyptic number.

424026551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

424026551 is a deficient number, since it is larger than the sum of its proper divisors (64107529).

424026551 is a wasteful number, since it uses less digits than its factorization.

424026551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34666.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 424026551 is about 20591.9049871545. The cubic root of 424026551 is about 751.2728318287.

Adding to 424026551 its reverse (155620424), we get a palindrome (579646975).

The spelling of 424026551 in words is "four hundred twenty-four million, twenty-six thousand, five hundred fifty-one".