424251432 has 160 divisors (see below), whose sum is σ = 1321958880. Its totient is φ = 126023040.

The previous prime is 424251431. The next prime is 424251433. The reversal of 424251432 is 234152424.

It is an interprime number because it is at equal distance from previous prime (424251431) and next prime (424251433).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 424251396 and 424251405.

It is not an unprimeable number, because it can be changed into a prime (424251431) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 377223 + ... + 378345.

It is an arithmetic number, because the mean of its divisors is an integer number (8262243).

Almost surely, 2^424251432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424251432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660979440).

424251432 is an abundant number, since it is smaller than the sum of its proper divisors (897707448).

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

424251432 is a wasteful number, since it uses less digits than its factorization.

424251432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1192 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 424251432 is about 20597.3646858039. The cubic root of 424251432 is about 751.4056199975.

The spelling of 424251432 in words is "four hundred twenty-four million, two hundred fifty-one thousand, four hundred thirty-two".