402424431043 has 16 divisors (see below), whose sum is σ = 413286160896. Its totient is φ = 391713396480.

The previous prime is 402424430963. The next prime is 402424431067. The reversal of 402424431043 is 340134424204.

It is a cyclic number.

It is not a de Polignac number, because 402424431043 - 2²¹ = 402422333891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402424430996 and 402424431014.

It is not an unprimeable number, because it can be changed into a prime (402424431743) 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, 9070771 + ... + 9115027.

It is an arithmetic number, because the mean of its divisors is an integer number (25830385056).

Almost surely, 2^402424431043 is an apocalyptic number.

402424431043 is a deficient number, since it is larger than the sum of its proper divisors (10861729853).

402424431043 is a wasteful number, since it uses less digits than its factorization.

402424431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45954.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 402424431043 its reverse (340134424204), we get a palindrome (742558855247).

The spelling of 402424431043 in words is "four hundred two billion, four hundred twenty-four million, four hundred thirty-one thousand, forty-three".