426401740 has 24 divisors (see below), whose sum is σ = 896353920. Its totient is φ = 170387328.

The previous prime is 426401707. The next prime is 426401753. The reversal of 426401740 is 47104624.

It is a super-3 number, since 3×426401740³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426401699 and 426401708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10341 + ... + 30979.

It is an arithmetic number, because the mean of its divisors is an integer number (37348080).

Almost surely, 2^426401740 is an apocalyptic number.

It is an amenable number.

426401740 is an abundant number, since it is smaller than the sum of its proper divisors (469952180).

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

426401740 is a wasteful number, since it uses less digits than its factorization.

426401740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21681 (or 21679 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 426401740 is about 20649.4973304437. The cubic root of 426401740 is about 752.6729748824.

The spelling of 426401740 in words is "four hundred twenty-six million, four hundred one thousand, seven hundred forty".