426724140 has 48 divisors (see below), whose sum is σ = 1265114592. Its totient is φ = 107099136.

The previous prime is 426724099. The next prime is 426724141. The reversal of 426724140 is 41427624.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 426724098 and 426724107.

It is not an unprimeable number, because it can be changed into a prime (426724141) 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, 208159 + ... + 210198.

It is an arithmetic number, because the mean of its divisors is an integer number (26356554).

Almost surely, 2^426724140 is an apocalyptic number.

It is an amenable number.

426724140 is an abundant number, since it is smaller than the sum of its proper divisors (838390452).

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

426724140 is a wasteful number, since it uses less digits than its factorization.

426724140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418386 (or 418384 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 426724140 is about 20657.3023408189. The cubic root of 426724140 is about 752.8626243855.

The spelling of 426724140 in words is "four hundred twenty-six million, seven hundred twenty-four thousand, one hundred forty".