402430140220030 has 16 divisors (see below), whose sum is σ = 780095348734464. Its totient is φ = 148589590235040.

The previous prime is 402430140219967. The next prime is 402430140220033. The reversal of 402430140220030 is 30022041034204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402430140219977 and 402430140220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402430140220033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547808231486 + ... + 1547808231745.

It is an arithmetic number, because the mean of its divisors is an integer number (48755959295904).

Almost surely, 2^{402430140220030} is an apocalyptic number.

402430140220030 is a deficient number, since it is larger than the sum of its proper divisors (377665208514434).

402430140220030 is a wasteful number, since it uses less digits than its factorization.

402430140220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095616463251.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402430140220030 its reverse (30022041034204), we get a palindrome (432452181254234).

The spelling of 402430140220030 in words is "four hundred two trillion, four hundred thirty billion, one hundred forty million, two hundred twenty thousand, thirty".