402430201040 has 160 divisors (see below), whose sum is σ = 1113263151360. Its totient is φ = 132407488512.

The previous prime is 402430201027. The next prime is 402430201099. The reversal of 402430201040 is 40102034204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379531 + ... + 1645589.

It is an arithmetic number, because the mean of its divisors is an integer number (6957894696).

Almost surely, 2^402430201040 is an apocalyptic number.

402430201040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402430201040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556631575680).

402430201040 is an abundant number, since it is smaller than the sum of its proper divisors (710832950320).

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

402430201040 is a wasteful number, since it uses less digits than its factorization.

402430201040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266189 (or 266183 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402430201040 its reverse (40102034204), we get a palindrome (442532235244).

The spelling of 402430201040 in words is "four hundred two billion, four hundred thirty million, two hundred one thousand, forty".