402424341040 has 80 divisors (see below), whose sum is σ = 976498803648. Its totient is φ = 153942294528.

The previous prime is 402424341029. The next prime is 402424341043. The reversal of 402424341040 is 40143424204.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×402424341040² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402424341043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11642824 + ... + 11677336.

Almost surely, 2^402424341040 is an apocalyptic number.

402424341040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402424341040 is an abundant number, since it is smaller than the sum of its proper divisors (574074462608).

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

402424341040 is a wasteful number, since it uses less digits than its factorization.

402424341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40886 (or 40880 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402424341040 its reverse (40143424204), we get a palindrome (442567765244).

The spelling of 402424341040 in words is "four hundred two billion, four hundred twenty-four million, three hundred forty-one thousand, forty".