420130402400 has 36 divisors (see below), whose sum is σ = 1025643346812. Its totient is φ = 168052160640.

The previous prime is 420130402397. The next prime is 420130402403. The reversal of 420130402400 is 4204031024.

It is an interprime number because it is at equal distance from previous prime (420130402397) and next prime (420130402403).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420130402403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262580702 + ... + 262582301.

It is an arithmetic number, because the mean of its divisors is an integer number (28490092967).

Almost surely, 2^420130402400 is an apocalyptic number.

420130402400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420130402400 is an abundant number, since it is smaller than the sum of its proper divisors (605512944412).

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

420130402400 is a wasteful number, since it uses less digits than its factorization.

420130402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525163023 (or 525163010 counting only the distinct ones).

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

Adding to 420130402400 its reverse (4204031024), we get a palindrome (424334433424).

The spelling of 420130402400 in words is "four hundred twenty billion, one hundred thirty million, four hundred two thousand, four hundred".