402432214020 has 48 divisors (see below), whose sum is σ = 1129831200960. Its totient is φ = 107027542656.

The previous prime is 402432214007. The next prime is 402432214021. The reversal of 402432214020 is 20412234204.

It is not an unprimeable number, because it can be changed into a prime (402432214021) 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, 8968510 + ... + 9013269.

It is an arithmetic number, because the mean of its divisors is an integer number (23538150020).

Almost surely, 2^402432214020 is an apocalyptic number.

It is an amenable number.

402432214020 is an abundant number, since it is smaller than the sum of its proper divisors (727398986940).

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

402432214020 is a wasteful number, since it uses less digits than its factorization.

402432214020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982164 (or 17982162 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 402432214020 its reverse (20412234204), we get a palindrome (422844448224).

The spelling of 402432214020 in words is "four hundred two billion, four hundred thirty-two million, two hundred fourteen thousand, twenty".