426540372 has 24 divisors (see below), whose sum is σ = 1005117792. Its totient is φ = 140772000.

The previous prime is 426540347. The next prime is 426540383. The reversal of 426540372 is 273045624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174754 + ... + 177177.

It is an arithmetic number, because the mean of its divisors is an integer number (41879908).

Almost surely, 2^426540372 is an apocalyptic number.

It is an amenable number.

426540372 is an abundant number, since it is smaller than the sum of its proper divisors (578577420).

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

426540372 is a wasteful number, since it uses less digits than its factorization.

426540372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352039 (or 352037 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 426540372 is about 20652.8538463816. The cubic root of 426540372 is about 752.7545358798.

Adding to 426540372 its reverse (273045624), we get a palindrome (699585996).

The spelling of 426540372 in words is "four hundred twenty-six million, five hundred forty thousand, three hundred seventy-two".